1. Organisms that are plankton during their juvenile stage, but become nekton or benthos in their adult stage are called? A) picoplankton. B) meroplankton. C) macroplankton. D) holoplankton. 2. Neritic marine environments are most closely associated with A) mid-ocean ridges. B) the abyssal plains. C) the mesopelagic zone. D) the shallow continental shelves. 3. The scientific name of the domestic dog is Canis familiaris. In scientific classification, Canis is the __________, and familiaris is the ___________. A) kingdom ... phylum B) species ... genus C) genus ... species D) class ... order E) family ... genus 4. Animals that are classified as infauna or epifauna might be found in any of the following areas except which? A) littoral zone B) mesopelagic zone C) abyssal zone D) hadal zone 5. Cold seawater holds more dissolved gases, including oxygen and carbon dioxide, than does warm seawater. True False 6. A common color pattern in fishes in which there is dark coloration on the top of the body and light coloration on the bottom (one-word answer): ________________ 7. Multicellular, eukaryotic organisms that range in complexity from simple sponges to complex vertebrates belong to the kingdom A) Animalia. B) Fungi. C) Monera. D) Protoctista. 8. A euryhaline organism is one that can tolerate only a narrow range of water salinity. True False 9. Streamlining in fishes and other nektonic organisms means that they use less energy to swim through the water. True False 10. Which of the following oceanic zones would probably have the fewest bioluminescent organisms? A) mesopelagic B) bathypelagic C) abyssopelagic D) euphotic 11. Which of the following kingdoms of organisms has a cell nucleus? List all that apply Monera Protoctista Fungi Plantae Animalia 12. The section of the chapter that discusses the importance of organism size explains that the smaller an object, the relatively larger its surface area compared to its volume. Since phytoplankton cells are so tiny, this means they have a very large surface area relative to their volume. This gives them the ability to do what? List all that apply. A) More efficiently take in nutrients across their cell membranes. B) More efficiently dispose of waste. C) Swim more easily, since their small size makes them less resistant to water's viscosity. D) Reduce the rate at which they sink through the water. 13. Compared to their warmer water counterparts, cold-water plankton often: A) are smaller in size. B) are larger in in size. C) exhibit countershading. D) have more spines and ornamentation on the cell wall. 14. What do phytoplankton and zooplankton have in common? A) They can both produce their own food through photosynthesis. B) They both belong in the Kingdom Protoctista. C) They both belong in the Kingdom Animalia. D) They both float and drift with ocean currents. 15. An organism that can photosynthesize and produce its own food from sunlight is called heterotrophic. True False 1. Organisms that are plankton during their juvenile stage, but become nekton or benthos in their adult stage are called? A) picoplankton. B) meroplankton. C) macroplankton. D) holoplankton. 2. Neritic marine environments are most closely associated with A) mid-ocean ridges. B) the abyssal plains. C) the mesopelagic zone. D) the shallow continental shelves. 3. The scientific name of the domestic dog is Canis familiaris. In scientific classification, Canis is the __________, and familiaris is the ___________. A) kingdom ... phylum B) species ... genus C) genus ... species D) class ... order E) family ... genus 4. Animals that are classified as infauna or epifauna might be found in any of the following areas except which? A) littoral zone B) mesopelagic zone C) abyssal zone D) hadal zone 5. Cold seawater holds more dissolved gases, including oxygen and carbon dioxide, than does warm seawater. True False 6. A common color pattern in fishes in which there is dark coloration on the top of the body and light coloration on the bottom (one-word answer): ________________ 7. Multicellular, eukaryotic organisms that range in complexity from simple sponges to complex vertebrates belong to the kingdom A) Animalia. B) Fungi. C) Monera. D) Protoctista. 8. A euryhaline organism is one that can tolerate only a narrow range of water salinity. True False 9. Streamlining in fishes and other nektonic organisms means that they use less energy to swim through the water. True False 10. Which of the following oceanic zones would probably have the fewest bioluminescent organisms? A) mesopelagic B) bathypelagic C) abyssopelagic D) euphotic 11. Which of the following kingdoms of organisms has a cell nucleus? List all that apply Monera Protoctista Fungi Plantae Animalia 12. The section of the chapter that discusses the importance of organism size explains that the smaller an object, the relatively larger its surface area compared to its volume. Since phytoplankton cells are so tiny, this means they have a very large surface area relative to their volume. This gives them the ability to do what? List all that apply. A) More efficiently take in nutrients across their cell membranes. B) More efficiently dispose of waste. C) Swim more easily, since their small size makes them less resistant to water's viscosity. D) Reduce the rate at which they sink through the water. 13. Compared to their warmer water counterparts, cold-water plankton often: A) are smaller in size. B) are larger in in size. C) exhibit countershading. D) have more spines and ornamentation on the cell wall. 14. What do phytoplankton and zooplankton have in common? A) They can both produce their own food through photosynthesis. B) They both belong in the Kingdom Protoctista. C) They both belong in the Kingdom Animalia. D) They both float and drift with ocean currents. 15. An organism that can photosynthesize and produce its own food from sunlight is called heterotrophic. True False
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