The profundal zone is characterized by

a. plankton.
b. algae.
c. a variety of plants and animals.
d. decomposers.
e. all of these.


Answer: d

Biology & Microbiology

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A common adaptation of coastal plants that grow on sand dunes is

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Which is true of the cells of a choanoflagellate colony?

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The molecule currently being investigated as a possible means of synthesis of the first proteins is:

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