Animals directly evolved from

A) plants.
B) protists.
C) fungi.
D) bacteria.


Answer: B

Biology & Microbiology

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The microorganism Cryptosporidium parvum is a

A) fungus. B) bacterium. C) protozoan. D) virus.

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What structure is found in bone lacunae?

a. periosteum b. growth plate c. blood vessels d. matrix e. osteocytes

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The function of the structure labeled 1 in Figure 35-2 is:

a. the formation of pith. b. protection. c. conduction of water and dissolved minerals from the roots. d. conduction of sugars from the leaves. e. photosynthesis.

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The stomach mixes food with secretions of the stomach wall to form

A) gastric juice. B) a bolus. C) gastrin. D) chyme.

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