Nitrogen is released into the atmosphere by

a. nitrogen fixation.
b. denitrification.
c. nitrification.
d. ammonification.
e. decomposition


B

Biology & Microbiology

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All of the following are considered a main ocean basin except:

a. Pacific. b. Atlantic. c. Mediterranean. d. Arctic. e. Indian.

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Our closest-living relatives on the evolutionary tree are

A. bonobos and common chimpanzees. B. Homo erectus. C. orangutans and gibbons. D. gorillas. E. Homo neanderthalensis.

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Fermentation occurs if ________.

Fill in the blank(s) with the appropriate word(s).

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Water may be lost in the form of liquid from the surface of leaves through a process known as

A. mesophyll adhesion. B. guttation. C. phloem loading. D. cohesion. E. aeration.

Biology & Microbiology