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.
Biology & Microbiology
What structure is found in bone lacunae?
a. periosteum b. growth plate c. blood vessels d. matrix e. osteocytes
Biology & Microbiology
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.
Biology & Microbiology
The stomach mixes food with secretions of the stomach wall to form
A) gastric juice. B) a bolus. C) gastrin. D) chyme.
Biology & Microbiology