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what is human begins
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- a man, woman, or child of the species Homo sapiens, distinguished from other animals by superior mental development, power of articulate speech, and upright stance.
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Comparison Between John Muir And Gifford Pinchot
Gifford and John Muir are the two scholars that have expressed their different beliefs regarding conservation and preserva ...
Comparison Between John Muir And Gifford Pinchot
Gifford and John Muir are the two scholars that have expressed their different beliefs regarding conservation and preservation. John Muir was an ...
Which of the following is not a true statement?
A. all chordates are vertebratesB. all vertebrates are chordatesC. tunicates and lancelets are invertebrate chordatesD. ec ...
Which of the following is not a true statement?
A. all chordates are vertebratesB. all vertebrates are chordatesC. tunicates and lancelets are invertebrate chordatesD. echinoderms and chordates are deuterostomesE. sea squirts are invertebrate chordates
Chemistry Acid And Bases Activity, chemistry homework help
pH Scaling: Acids and Bases Lab ActivityComplete the following activity by following the procedure closely. Take notes of ...
Chemistry Acid And Bases Activity, chemistry homework help
pH Scaling: Acids and Bases Lab ActivityComplete the following activity by following the procedure closely. Take notes of observations and questions as you move through the experiment.At the conclusion of your experiment, answer the Analysis questions. Be thorough as you respond to these important questions - your overall Analysis Portion should be three to four pages in length (750-1000 wordsPart I: Essential Questions1. What is the pH scale?2. How are acids and bases measured by a pH indicator?3. How are acids and bases different?4. What types of substances are considered acids and bases?Materials:• Copies of Acid/base lab sheets• pH litmus paper (pH testing strips)• Variety of solutions (lemon juice, vinegar, water, tea, milk, soap, baking soda)• Goggles (Safety Precautions) **Students must wear goggles!• Do not taste or directly inhale any of the solutions.Procedure1. Choose 5 different substances to test.2. Hypothesize whether each substance is an acid or a base. Record on the table below.3. Put each substance in a test well. If it is a liquid, test the liquid directly. If it is a solid, it needs to be mixed with water so the pH can be determined.4. Dip a pH strip into each of the 5 substances and allow it to sit for 10-20 seconds. Using the pH scale on the pH strip container, measure the pH level and record it on the chart.(See attached document)Part II: Data Table: Measurement of pH(See attached document)Name of SubstanceHypothesis (is it an acid or a base?) pH LevelAcid, base or neutral?Part III: Analysis questions:1. What does the pH scale indicate?2. What is an acid? Where are they found on the pH scale? What is a base? Where are they found on the pH scale?3. Were any substances tested neutral? Why or why not? Explain your answer.5. Were any of your results surprising? Why or why not?6. Write five facts you learned about acids and bases."Make sure to show your work and use the correct amount of significant figures. "
PHY 121 College of DuPage Motion, Energy & Momentum Portfolio Project
Portfolio 2 - Motion, Energy & Momentum Due Thursday April 1 @ 11:59 pmundefinedOops! A note about the Kinematics SkillsOo ...
PHY 121 College of DuPage Motion, Energy & Momentum Portfolio Project
Portfolio 2 - Motion, Energy & Momentum Due Thursday April 1 @ 11:59 pmundefinedOops! A note about the Kinematics SkillsOops! A note about the Kinematics SkillsIn the kinematics skills sections I wrote the following phrase "using chart". My bad - Professor A's videos don't use charts! I apologize that this definitely would have been confusing. What I mean by chart is the following:List all the givensList all the assumptionsList all the variables that are zeroExample Problem With "chart":A cannon shoots a cannonball with an initial speed of 8 m/s at an angle of 20 degrees to the horizontal. What is the landing position of the cannonball?x-directionvi = 8m/s*cosine (20)vf = 8 m/s*cosine (20)a = 0 m/s/sdelta-x = ?y-directionvi = 8m/s*sin(20)vf = -8m/s*sin(20)a = -9.8 m/s/sdelta-y = 0 mQuick OverviewQuick OverviewThe portfolio project is where you get to show off what you can do with physics. So far we've learned Forces & Vectors, Motion, Energy and Momentum so that's the focus of this portfolio.At home, you'll set up scenarios (details in instructions). You'll measure everything you can about those scenarios and use those measurements to do calculations and show off your physics skills. A scorecard gives you a list of measurements, calculations and skills that you can choose from. Finally, you'll present all those measurements, calculations and skills in a presentation. This can be a video, a powerpoint, a word document, a sway, a webpage, a padlet...you get to choose your favorite platform.The portfolio is worth 250 points and is due on Thursday, April 1 at 11:59 pm.Portfolio InstructionsPortfolio InstructionsAttached Files: PHY121 Portfolio 2 Scorecard Sp21.docx PHY121 Portfolio 2 Scorecard Sp21.docx - Alternative Formats (19.984 KB) PHY121 Portfolio 2 Instructions Sp21.docx PHY121 Portfolio 2 Instructions Sp21.docx - Alternative Formats (691.208 KB)Download and read this document (I put it in Word and PDF) for the details on the first portfolio. I've also edited it to make a blank scorecard for you to help you keep track of your score as you put your portfolio together. You'll be uploading your scorecard (with checkmarks where you think you've earned points) with your portfolio.Video examples of each scenarioVideo examples of each scenarioI built each scenario at my house and made these videos to show you samples in case the text instructions weren't good enough to help you see what you can do. Don't use my measurements/videos - you are expected to build your own at your home. Good luck! As always, let me know if you have questions.Here's a sample of the Ramp to Flat to Crash scenario:Next is the Table Dive:Finally is the Bounce:OPTIONAL: Using Pivot to Analyze Your Very Own VideosOPTIONAL: Using Pivot to Analyze Your Very Own VideosThe link to the Pivot Lab which you can use to analyze your videos is just below this item.Portfolio 2 Video Analysis (OPTIONAL)Portfolio 2 Video Analysis (OPTIONAL)Who and What Are You Allowed To Work With?Who and What Are You Allowed To Work With?You are expected to finish the portfolio by yourself. Do not do the scenarios with other people and do not share your own results. This is the equivalent of a take-home test where your work is your own.You are allowed to use all our notes and videos on Blackboard to help you as you go. You can also use the textbook and your old Connect work. Do not use other students in the class.If you are stuck, reach out to the professor, she is so happy to help!What if I need extra time?What if I need extra time?Portfolios are the equivalent of exams in the class, so late work is penalized. Portfolio 2 can be up to 1 week late and there is a 10 point per day penalty. If you turn it in after Thursday, April 8th at 11:59pm, your grade will be a zero.FAQ SectionFAQ SectionHello! Here's a helpful FAQ section for you! Right now it's based on questions from past sections but I will add new FAQs from you as needed. Check back here often :)1) I found coefficient of friction by doing the side experiment like in portfolio 1:You don't need to find coefficient of friction anymore, just so you know! There are other ways to figure it out. Please try NOT to use this.2) How should I organize this one?Follow our problem-solving method. First, read over the givens and make some measurements and the video of your setup. Second, draw diagrams, set up charts, Big Ugly equations or momentum equations. Third, show me your calculations and finally always circle your answers. Label the heck out of everything!3) How do I start?Check out our physics problem-solving strategy! It's really great for portfolio help. First explore your scenario and make measurements. Second, set up a diagram. Third, set up your equations that go with the diagram. Fourth, solve for everything you can from those equations. Fifth, maybe there's other things you can figure out (see the scorecard for things you haven't found yet and maybe you can figure out those, too!).4) Can I do all three scenarios? Or...do I have to do all three scenarios?Sure! You can do them all - solve for everything you can! If there's doubles, there's doubles - you get credit only once but think of it as insurance. If you've found that one scenario doesn't give you enough points, then for sure hop over and add the other ones in. 7) Can I get more than 250 points?YES! You can get up to 280 points.When You Turn Things In...When You Turn Things In...Turn in your project and turn in your Scorecard each time. This will help me grade it - if you tell me what points you are going for, then I know what to look for. Makes sense, right? Thanks!If you do a video or Padlet, please post a link to your video in YouTube or your Padlet along with your scorecard. Please do a new Padlet for each portfolio (but within one portfolio, you can do more than one scenario). Do not edit your padlets or videos after the due date! To be safe - don't even load up your Padlet after the due date until you see a grade for it in Blackboard. If you are making a Powerpoint, please use just black and white background - don't get fancy. Fancy = large filesize = may not upload = MONSTER AMOUNTS OF STRESS. Thanks!Upload your portfolio with plenty of time for possible technology glitches. I recommend finishing a day or two early just in case you can't get the files to upload and you need Professor's assistance!
Botany Quiz Questions
I need a tutor who is very good at botany. The following are related examples, not the ones I need to complete this time. ...
Botany Quiz Questions
I need a tutor who is very good at botany. The following are related examples, not the ones I need to complete this time. The next question will be sent to you in more than a week. You must make sure that you can get more than 90 points, with a total score of 100 points.1.Which one of the following statements is false?Most protists are aquatic; b. Protists are eukaryotes; c. Many protists are unicellular; d. Protists are more complicated than prokaryotic cells; e. Recentstudies reveal that all protists belong to a single natural kingdom in the Domain Eukarya.2. Which of the following groups include organisms that are at the bottom of the food chain in all aquatic environments and whose fossilized forms are used as filters and as abrasive and polishing agents?diatoms; b. brown algae; c. red algae; d. green algae; e. none of the above3. Which one of the following statements is false?Seaweeds lack true roots, stems, and leaves; b. Red algae are the largest and most complex seaweeds; c. Kelp are a type of brown seaweed; d. Red seaweeds are common in tropical waters; e. Multicellular green algae reproduce by alternation of generations.4. What is the benefit of sexual reproduction in protists?genetic diversity; b. fast increase in numbers; c. availability of more environments; d. ease of finding a mate; e. none of the above5. Volvox is a colonial green alga.True; b. False6. True plants are most closely related to which of the following?brown algae; b. red algae; c. certain green algae; d. animals; e. none of the above is closely related to true plants.7. In contrast to the cell walls of plants and many protists, the cell walls of fungi are characterized by containingcellulose; b. pectic substances; c. protein; d. chitin; e. lignin8. In typical fungi of the Zygomycota, meiosis is associated with which structure in the life cycle?the zygosporangium; b. a stolon; c. a gametangium; d. a hyphal tip; e. the asexual sporangium9. Which of the following is NOT characteristic of Ascomycota?The filamentous forms are multicellular; b. Asexual reproduction occurs by formation of spores; c. Sixteen sexual spores are made from one spore-producing body;d. Sexual reproduction leads to the formation of spores called ascospores;e. Ascospores are produced within asci.10. Which of the following structures is dikaryotic?a basidiospore; b. an asexual spore; c. a hypha leading to a group of asexual spores; d. cells comprising the interior of a gill; e. a basidium11. In Ascomycota, karyogamy occurs in theconidiophore; b. ascospore; c. ascus; d. antheridium; e. archegonium12. In Basidiomycota, meiosis takes place in abasidium; b. basidiospore; c. gill; d. dikaryotic hypha; e. none of the above13. Which of the following statements on mycorrhizae is NOT correct?They are symbiotic associations between plant roots and fungi; b. They are beneficial to the plant only; c. They occur in most modern groups of vascular plants; d. They aid in nutrient absorption; e. They are mutualistic associations between plant roots and fungi.14. Kelps are members of the following groupred algae; b. green algae; c. brown algae; d. water molds; e. none of the above15. An alternation of generations is present in sea lettuce (Ulva), but the two generations cannot be distinguished when using the naked eye.True; b. False16. A mycelium is a mass of fungal hyphae.True; b. False17. True roots, stems, and leaves are interconnected by vascular tissue.True; b. False18. Carrageenan and agar are derived from this groupdiatoms; b. green algae; c. brown algae; d. red algae; e. bryophytes19. Green algae release more oxygen to the atmosphere than any other group of photosynthetic organisms.True; b. False20. How many flagella does Chlamydomonas have?one; b. two; c. three; d. four; e. none of the above21. All brown algae are differentiated into a holdfast, stipe, and blade.True; b. False22. Water molds have chitin in their cell walls.True; b. False23. The stalk of a moss sporophyte is called acapsule; b. foot; c. operculum; d. peristome; e. seta24. The operculum of a moss isthe lid of a moss capsule; b. the ring of teeth in a moss capsule; c. a part of the archegonium; d. a part of the antheridium; e. a part of the gametophyte25. In which group do organs first arise among plants that still exist today?ferns; b. scouring rushes; c. mosses; d. club mosses; e. none of the above26. Which of the following only has stems?mosses; b. spike mosses; c. whisk ferns; d. scouring rushes; e. hornworts27. Silica is present in the plant body of this groupclub mosses; b. whisk ferns; c. spike mosses; d. horsetails; e. hornworts28. In which of the following is there a heart-shaped gametophyte called a prothallus?whisk ferns; b. ferns; c. club mosses; d. spike mosses; e. scouring rushes29. Which of the following has several microphylls arranged in a ring (whorl)?club mosses; b. whisk ferns; c. spike mosses; d. scouring rushes; e. mosses30. In which of the following is a strobilus NOT present?horsetails; b. scouring rushes; c. ferns; d. club mosses; e. spike mosses31. In which of the following did stomates first come about?Charophyte group of green algae; b. hornworts; c. mosses; d. whisk ferns; e. club mosses32. The body of a plant-like living thing that is not yet differentiated into roots, stems, and leaves is called a thallus.True; b. False33. In which group did megaphylls first arise?horsetails; b. scouring rushes; c. ferns; d. club mosses; e. spike mosses34. Gametophyte generations of plants never have organs.a. True; b. False35. A rhizome in ferns is mainly used for absorbing water.a. True; b. False36. If one were looking for archegonia on the gametophyte of a fern, one would look among rhizoids at the bottom of this generation.a. True; b. False37. Mitosis is the process that directly makes gametes in mosses.a. True; b. False38. The annulus in ferns is a diploid structure.a. True; b. False39. In which of the following structures does meiosis occur?pinna; b. annulus; c. spore; d. sporangium; e. archegonium40. In the true mosses, the gametophyte carries out photosynthesis but the sporophyte typically does not.a. True; b. False41. The sporangia of most ferns occur in clusters calleda. pinnae; b. fronds; c. sori; d. indusia; e. prothalli42. Which of the following statements about the fern life cycle is NOT correct?a. The prothallus is independent; b. The prothallus can have both antheridia and archegonia; c. Water is required for sperm to swim to the egg; d. The young embryo develops outside the archegonium; e. The sporophyte is the most conspicuous phase.43. Megaphylls have a complex system of veins.a. True; b. False44. What is the chromosome number comprising the bulk of a mushroom?a. 1n; b. 2n, c. 3n, d. n + n, e. none of the above45. How many organs are in ferns?a. one; b. two; c. three; d. four; e. none46. This group is especially known for species living in deep watera. green algae; b. brown algae; c. red algae; d. diatoms; e. ferns47. Modified leaves, not stems, are the appendages in the strobilus of club mosses.a. True; b. False48. Leaf-like lichens are the following typea. crustose; b. foliose; c. fruticose; d. all of the above; e. none of the above49. Rusts require two host organisms to complete their life cycles.a. True; b. False
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Comparison Between John Muir And Gifford Pinchot
Gifford and John Muir are the two scholars that have expressed their different beliefs regarding conservation and preserva ...
Comparison Between John Muir And Gifford Pinchot
Gifford and John Muir are the two scholars that have expressed their different beliefs regarding conservation and preservation. John Muir was an ...
Which of the following is not a true statement?
A. all chordates are vertebratesB. all vertebrates are chordatesC. tunicates and lancelets are invertebrate chordatesD. ec ...
Which of the following is not a true statement?
A. all chordates are vertebratesB. all vertebrates are chordatesC. tunicates and lancelets are invertebrate chordatesD. echinoderms and chordates are deuterostomesE. sea squirts are invertebrate chordates
Chemistry Acid And Bases Activity, chemistry homework help
pH Scaling: Acids and Bases Lab ActivityComplete the following activity by following the procedure closely. Take notes of ...
Chemistry Acid And Bases Activity, chemistry homework help
pH Scaling: Acids and Bases Lab ActivityComplete the following activity by following the procedure closely. Take notes of observations and questions as you move through the experiment.At the conclusion of your experiment, answer the Analysis questions. Be thorough as you respond to these important questions - your overall Analysis Portion should be three to four pages in length (750-1000 wordsPart I: Essential Questions1. What is the pH scale?2. How are acids and bases measured by a pH indicator?3. How are acids and bases different?4. What types of substances are considered acids and bases?Materials:• Copies of Acid/base lab sheets• pH litmus paper (pH testing strips)• Variety of solutions (lemon juice, vinegar, water, tea, milk, soap, baking soda)• Goggles (Safety Precautions) **Students must wear goggles!• Do not taste or directly inhale any of the solutions.Procedure1. Choose 5 different substances to test.2. Hypothesize whether each substance is an acid or a base. Record on the table below.3. Put each substance in a test well. If it is a liquid, test the liquid directly. If it is a solid, it needs to be mixed with water so the pH can be determined.4. Dip a pH strip into each of the 5 substances and allow it to sit for 10-20 seconds. Using the pH scale on the pH strip container, measure the pH level and record it on the chart.(See attached document)Part II: Data Table: Measurement of pH(See attached document)Name of SubstanceHypothesis (is it an acid or a base?) pH LevelAcid, base or neutral?Part III: Analysis questions:1. What does the pH scale indicate?2. What is an acid? Where are they found on the pH scale? What is a base? Where are they found on the pH scale?3. Were any substances tested neutral? Why or why not? Explain your answer.5. Were any of your results surprising? Why or why not?6. Write five facts you learned about acids and bases."Make sure to show your work and use the correct amount of significant figures. "
PHY 121 College of DuPage Motion, Energy & Momentum Portfolio Project
Portfolio 2 - Motion, Energy & Momentum Due Thursday April 1 @ 11:59 pmundefinedOops! A note about the Kinematics SkillsOo ...
PHY 121 College of DuPage Motion, Energy & Momentum Portfolio Project
Portfolio 2 - Motion, Energy & Momentum Due Thursday April 1 @ 11:59 pmundefinedOops! A note about the Kinematics SkillsOops! A note about the Kinematics SkillsIn the kinematics skills sections I wrote the following phrase "using chart". My bad - Professor A's videos don't use charts! I apologize that this definitely would have been confusing. What I mean by chart is the following:List all the givensList all the assumptionsList all the variables that are zeroExample Problem With "chart":A cannon shoots a cannonball with an initial speed of 8 m/s at an angle of 20 degrees to the horizontal. What is the landing position of the cannonball?x-directionvi = 8m/s*cosine (20)vf = 8 m/s*cosine (20)a = 0 m/s/sdelta-x = ?y-directionvi = 8m/s*sin(20)vf = -8m/s*sin(20)a = -9.8 m/s/sdelta-y = 0 mQuick OverviewQuick OverviewThe portfolio project is where you get to show off what you can do with physics. So far we've learned Forces & Vectors, Motion, Energy and Momentum so that's the focus of this portfolio.At home, you'll set up scenarios (details in instructions). You'll measure everything you can about those scenarios and use those measurements to do calculations and show off your physics skills. A scorecard gives you a list of measurements, calculations and skills that you can choose from. Finally, you'll present all those measurements, calculations and skills in a presentation. This can be a video, a powerpoint, a word document, a sway, a webpage, a padlet...you get to choose your favorite platform.The portfolio is worth 250 points and is due on Thursday, April 1 at 11:59 pm.Portfolio InstructionsPortfolio InstructionsAttached Files: PHY121 Portfolio 2 Scorecard Sp21.docx PHY121 Portfolio 2 Scorecard Sp21.docx - Alternative Formats (19.984 KB) PHY121 Portfolio 2 Instructions Sp21.docx PHY121 Portfolio 2 Instructions Sp21.docx - Alternative Formats (691.208 KB)Download and read this document (I put it in Word and PDF) for the details on the first portfolio. I've also edited it to make a blank scorecard for you to help you keep track of your score as you put your portfolio together. You'll be uploading your scorecard (with checkmarks where you think you've earned points) with your portfolio.Video examples of each scenarioVideo examples of each scenarioI built each scenario at my house and made these videos to show you samples in case the text instructions weren't good enough to help you see what you can do. Don't use my measurements/videos - you are expected to build your own at your home. Good luck! As always, let me know if you have questions.Here's a sample of the Ramp to Flat to Crash scenario:Next is the Table Dive:Finally is the Bounce:OPTIONAL: Using Pivot to Analyze Your Very Own VideosOPTIONAL: Using Pivot to Analyze Your Very Own VideosThe link to the Pivot Lab which you can use to analyze your videos is just below this item.Portfolio 2 Video Analysis (OPTIONAL)Portfolio 2 Video Analysis (OPTIONAL)Who and What Are You Allowed To Work With?Who and What Are You Allowed To Work With?You are expected to finish the portfolio by yourself. Do not do the scenarios with other people and do not share your own results. This is the equivalent of a take-home test where your work is your own.You are allowed to use all our notes and videos on Blackboard to help you as you go. You can also use the textbook and your old Connect work. Do not use other students in the class.If you are stuck, reach out to the professor, she is so happy to help!What if I need extra time?What if I need extra time?Portfolios are the equivalent of exams in the class, so late work is penalized. Portfolio 2 can be up to 1 week late and there is a 10 point per day penalty. If you turn it in after Thursday, April 8th at 11:59pm, your grade will be a zero.FAQ SectionFAQ SectionHello! Here's a helpful FAQ section for you! Right now it's based on questions from past sections but I will add new FAQs from you as needed. Check back here often :)1) I found coefficient of friction by doing the side experiment like in portfolio 1:You don't need to find coefficient of friction anymore, just so you know! There are other ways to figure it out. Please try NOT to use this.2) How should I organize this one?Follow our problem-solving method. First, read over the givens and make some measurements and the video of your setup. Second, draw diagrams, set up charts, Big Ugly equations or momentum equations. Third, show me your calculations and finally always circle your answers. Label the heck out of everything!3) How do I start?Check out our physics problem-solving strategy! It's really great for portfolio help. First explore your scenario and make measurements. Second, set up a diagram. Third, set up your equations that go with the diagram. Fourth, solve for everything you can from those equations. Fifth, maybe there's other things you can figure out (see the scorecard for things you haven't found yet and maybe you can figure out those, too!).4) Can I do all three scenarios? Or...do I have to do all three scenarios?Sure! You can do them all - solve for everything you can! If there's doubles, there's doubles - you get credit only once but think of it as insurance. If you've found that one scenario doesn't give you enough points, then for sure hop over and add the other ones in. 7) Can I get more than 250 points?YES! You can get up to 280 points.When You Turn Things In...When You Turn Things In...Turn in your project and turn in your Scorecard each time. This will help me grade it - if you tell me what points you are going for, then I know what to look for. Makes sense, right? Thanks!If you do a video or Padlet, please post a link to your video in YouTube or your Padlet along with your scorecard. Please do a new Padlet for each portfolio (but within one portfolio, you can do more than one scenario). Do not edit your padlets or videos after the due date! To be safe - don't even load up your Padlet after the due date until you see a grade for it in Blackboard. If you are making a Powerpoint, please use just black and white background - don't get fancy. Fancy = large filesize = may not upload = MONSTER AMOUNTS OF STRESS. Thanks!Upload your portfolio with plenty of time for possible technology glitches. I recommend finishing a day or two early just in case you can't get the files to upload and you need Professor's assistance!
Botany Quiz Questions
I need a tutor who is very good at botany. The following are related examples, not the ones I need to complete this time. ...
Botany Quiz Questions
I need a tutor who is very good at botany. The following are related examples, not the ones I need to complete this time. The next question will be sent to you in more than a week. You must make sure that you can get more than 90 points, with a total score of 100 points.1.Which one of the following statements is false?Most protists are aquatic; b. Protists are eukaryotes; c. Many protists are unicellular; d. Protists are more complicated than prokaryotic cells; e. Recentstudies reveal that all protists belong to a single natural kingdom in the Domain Eukarya.2. Which of the following groups include organisms that are at the bottom of the food chain in all aquatic environments and whose fossilized forms are used as filters and as abrasive and polishing agents?diatoms; b. brown algae; c. red algae; d. green algae; e. none of the above3. Which one of the following statements is false?Seaweeds lack true roots, stems, and leaves; b. Red algae are the largest and most complex seaweeds; c. Kelp are a type of brown seaweed; d. Red seaweeds are common in tropical waters; e. Multicellular green algae reproduce by alternation of generations.4. What is the benefit of sexual reproduction in protists?genetic diversity; b. fast increase in numbers; c. availability of more environments; d. ease of finding a mate; e. none of the above5. Volvox is a colonial green alga.True; b. False6. True plants are most closely related to which of the following?brown algae; b. red algae; c. certain green algae; d. animals; e. none of the above is closely related to true plants.7. In contrast to the cell walls of plants and many protists, the cell walls of fungi are characterized by containingcellulose; b. pectic substances; c. protein; d. chitin; e. lignin8. In typical fungi of the Zygomycota, meiosis is associated with which structure in the life cycle?the zygosporangium; b. a stolon; c. a gametangium; d. a hyphal tip; e. the asexual sporangium9. Which of the following is NOT characteristic of Ascomycota?The filamentous forms are multicellular; b. Asexual reproduction occurs by formation of spores; c. Sixteen sexual spores are made from one spore-producing body;d. Sexual reproduction leads to the formation of spores called ascospores;e. Ascospores are produced within asci.10. Which of the following structures is dikaryotic?a basidiospore; b. an asexual spore; c. a hypha leading to a group of asexual spores; d. cells comprising the interior of a gill; e. a basidium11. In Ascomycota, karyogamy occurs in theconidiophore; b. ascospore; c. ascus; d. antheridium; e. archegonium12. In Basidiomycota, meiosis takes place in abasidium; b. basidiospore; c. gill; d. dikaryotic hypha; e. none of the above13. Which of the following statements on mycorrhizae is NOT correct?They are symbiotic associations between plant roots and fungi; b. They are beneficial to the plant only; c. They occur in most modern groups of vascular plants; d. They aid in nutrient absorption; e. They are mutualistic associations between plant roots and fungi.14. Kelps are members of the following groupred algae; b. green algae; c. brown algae; d. water molds; e. none of the above15. An alternation of generations is present in sea lettuce (Ulva), but the two generations cannot be distinguished when using the naked eye.True; b. False16. A mycelium is a mass of fungal hyphae.True; b. False17. True roots, stems, and leaves are interconnected by vascular tissue.True; b. False18. Carrageenan and agar are derived from this groupdiatoms; b. green algae; c. brown algae; d. red algae; e. bryophytes19. Green algae release more oxygen to the atmosphere than any other group of photosynthetic organisms.True; b. False20. How many flagella does Chlamydomonas have?one; b. two; c. three; d. four; e. none of the above21. All brown algae are differentiated into a holdfast, stipe, and blade.True; b. False22. Water molds have chitin in their cell walls.True; b. False23. The stalk of a moss sporophyte is called acapsule; b. foot; c. operculum; d. peristome; e. seta24. The operculum of a moss isthe lid of a moss capsule; b. the ring of teeth in a moss capsule; c. a part of the archegonium; d. a part of the antheridium; e. a part of the gametophyte25. In which group do organs first arise among plants that still exist today?ferns; b. scouring rushes; c. mosses; d. club mosses; e. none of the above26. Which of the following only has stems?mosses; b. spike mosses; c. whisk ferns; d. scouring rushes; e. hornworts27. Silica is present in the plant body of this groupclub mosses; b. whisk ferns; c. spike mosses; d. horsetails; e. hornworts28. In which of the following is there a heart-shaped gametophyte called a prothallus?whisk ferns; b. ferns; c. club mosses; d. spike mosses; e. scouring rushes29. Which of the following has several microphylls arranged in a ring (whorl)?club mosses; b. whisk ferns; c. spike mosses; d. scouring rushes; e. mosses30. In which of the following is a strobilus NOT present?horsetails; b. scouring rushes; c. ferns; d. club mosses; e. spike mosses31. In which of the following did stomates first come about?Charophyte group of green algae; b. hornworts; c. mosses; d. whisk ferns; e. club mosses32. The body of a plant-like living thing that is not yet differentiated into roots, stems, and leaves is called a thallus.True; b. False33. In which group did megaphylls first arise?horsetails; b. scouring rushes; c. ferns; d. club mosses; e. spike mosses34. Gametophyte generations of plants never have organs.a. True; b. False35. A rhizome in ferns is mainly used for absorbing water.a. True; b. False36. If one were looking for archegonia on the gametophyte of a fern, one would look among rhizoids at the bottom of this generation.a. True; b. False37. Mitosis is the process that directly makes gametes in mosses.a. True; b. False38. The annulus in ferns is a diploid structure.a. True; b. False39. In which of the following structures does meiosis occur?pinna; b. annulus; c. spore; d. sporangium; e. archegonium40. In the true mosses, the gametophyte carries out photosynthesis but the sporophyte typically does not.a. True; b. False41. The sporangia of most ferns occur in clusters calleda. pinnae; b. fronds; c. sori; d. indusia; e. prothalli42. Which of the following statements about the fern life cycle is NOT correct?a. The prothallus is independent; b. The prothallus can have both antheridia and archegonia; c. Water is required for sperm to swim to the egg; d. The young embryo develops outside the archegonium; e. The sporophyte is the most conspicuous phase.43. Megaphylls have a complex system of veins.a. True; b. False44. What is the chromosome number comprising the bulk of a mushroom?a. 1n; b. 2n, c. 3n, d. n + n, e. none of the above45. How many organs are in ferns?a. one; b. two; c. three; d. four; e. none46. This group is especially known for species living in deep watera. green algae; b. brown algae; c. red algae; d. diatoms; e. ferns47. Modified leaves, not stems, are the appendages in the strobilus of club mosses.a. True; b. False48. Leaf-like lichens are the following typea. crustose; b. foliose; c. fruticose; d. all of the above; e. none of the above49. Rusts require two host organisms to complete their life cycles.a. True; b. False
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