Bio 100 Lab 9

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Bio 100

Maricopa Community Colleges - Rio Salado Community College


Please complete the lab 9 on Evolution

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Compose answers to the questions below and save the file as a backup copy in the event that a technical problem is encountered while attempting to submit the assignment. Make sure to run a spell check. You will be submitting your answers to the lab assignment in two parts. The first part of the lab assignment consists of the laboratory exercise questions. The second part of the lab assignment is the application question. The first textbox on the submission page corresponds to the first part of the lab. Be sure to paste the laboratory exercise questions, with your answers, into this textbox. The second textbox on the submission page will be for your response to the application question. LABORATORY EXERCISE QUESTIONS ~~1. Why did the results come out the way they did? Explain why all of the colors of rabbits did not end up with the same population size. The explanation here should demonstrate an understanding of natural selection. (5 points) ~~2. a. What would have happened to the rabbit population if the re had been no predation? (3 points) b. What other factors might have controlled the population of the rabbits if no predators had been in the area? (2 points) ~~3. If Coyotus predacious and Rabbiticus hopquickus are both nocturnal, would color play a more or less important role in determining fitness? (2 points) ~~4. a. If hunters trapped all the coyotes, what would happen to the rabbit population? (3 points) b. Would an equivalent effect for all colors of rabbits under this condition be expected? Explain. (3 points) ~~5. What is the relationship between the chance to survive and reproduce and the traits an organism possesses? (5 points) ~~6. In what way would the results differ if a particular color of rabbit was able to produce six offspring in each litter instead of three? (5 points) ~~7. If coyotes had learned that a particular color tasted bad or made them ill when eaten, how would this affect the results of rabbit survival? (5 points) ~~8. Did any individual rabbit adapt to its environment? (1 point) ~~9. Explain the difference between adaptation of an individual animal and adaptation of the population. (5 points) ~~10. Give at least three examples of how or when an environment would change. (6 points) a. b. c. ~~11. Assume that surviving rabbits exhibited all 10 original colors. Could this population adapt to a new environment if the environment changed: for example, if the flowers in the meadow became predominantly yellow? (5 points) ~~12. Assume surviving rabbits are all yellow. a. Could this population adapt to a new environment where the predominant color i s purple? (2 points) b. Why or why not? (3 points) ~~13. Assume that in a population undergoing sexual reproduction, rabbits with a muskier scent are more sexually attractive than rabbits without the scent. Would this affect the characteristics of a population? Explain and justify the reasoning behind this. (5 points) ~~14. When porcupines were introduced to an Island known as Rusty Island, only three of 15 were alive one year later. A different island, Sandy Island is almost identical to Rustic Island. Ignoring the effects of carrying capacity, how many porcupines would need to be introduced onto Sandy Island in order to have 12 remaining at the end of one year? Show the work used. (10 points) ~~15. On Sandy Island, there are presently 42 porcupines. Upon investigating, it was discovered that these animals were brought to Sandy Island by a biologist one year earlier. Ignoring the effects of carrying capacity, how many porcupines were originally brought to Sandy Island? Show the work used. (10 points) APPLICATION QUESTION ~~16. (Application) How might the information gained from this lab be useful to you, or how can you apply this knowledge to your everyday life as a non -scientist? The application will be graded according to the rubric below. (20 points)
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Explanation & Answer

Hi!Kindly see attached file with the answer to the different questions


The rabbits that had a similar color to that of the cloth representing the meadow where
camouflaged and I could not see them as easily as the ones with a significantly different color.
As a result, I could easily see the rabbits represented as red, white or black, but could hardly see
those having blue, green or purple color because I used a blue cloth. Taking this into account,
the population of red, white and black rabbits decreased while that of blue, green and purple
rabbits increased from one generation to the next.

a) Population of rabbits will increase in the absence of predation
b) Population will increase until it reaches a plateau where the population is controlled by the
number of available resources to feed the rabbits


Assuming that both Coyotus predacious and Rabbiticus hopquickus were nocturnal, a dark
environment needs to be considered. Similarly to the results from the experiment carried out
with the color of the rabbits and the cloth, I expect that dark colored rabbits (e.g. black or
brown) will be able to camouflage and escape from predation better than light colored rabbits
(e.g. white). As a result, the population of dark colored rabbits should increase, while the
population of light colored rabbits should decrease from one generation to the next.

a) If hunter...

Excellent! Definitely coming back for more study materials.


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