When cells metabolize protein, ammonia is formed. An example of an animal that directly excretes ammonia without further modification is a

a. fish.
b. bird.
c. snake.
d. turtle.
e. human.


a

Biology & Microbiology

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Clown fishes form symbiotic relationships with members of this group of cnidarians:

a. siphonophores. b. hydrozoans. c. anthozoans. d. scyphozoans. e. bryozoans.

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Genetic evidence suggests that insects have evolved from crustaceans. What is a reason that insects

are so much smaller than crustaceans? What will be an ideal response?

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In some areas, rapid population growth and poverty cause the poor to

a. cut forests. b. grow crops on marginal land. c. overgraze grasslands. d. poach endangered animals. e. all of these.

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How is your body able to work against the effects of entropy?

A) Regular exercise B) Eating a balanced diet and proper nourishment C) Regular work D) Sunbathing

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