External fertilization occurs in all of the following groups, except:
A. whales.
B. frogs.
C. salmon.
D. perch.
E. External fertilization occurs in all of the
answer options.
A
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The environment of human skin requires an adaptation for microbes that can tolerate moderately ________ conditions.
A. halophilic B. alkaline C. anaerobic D. thermophilic E. psychrophilic
The streptomycetes form spores by division of the cells of the aerial mycelia in
A. two division planes consecutively. B. multiple division planes. C. a single division plane. D. two division planes simultaneously.
What is happening here? "W" represents any molecule and e- represents an electron. W ® W+ + e-
A. oxidation of W B. reduction of W C. hydrolysis of W D. None of these choices is correct.
Interstitial fluid is _____
A) the internal environment inside animal cells B) identical to the composition of blood C) a common site of exchange between blood and body cells D) found only in the lumen of the small intestine