In the absence of evidence from fossils, systematists frequently use a technique called ____ to identify ancestral and
derived character states.
a. outgroup comparison
b. ingroup analysis
c. gel electrophoresis
d. microarray analysis
e. homology comparison
ANSWER: a
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What will be an ideal response?
Which substance is hydrophobic?
a. canola oil b. sodium chloride c. sugar d. water e. the potassium ion
Water molds are
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The lymphatic system
A) provides an auxiliary route for the return of extracellular fluid to the circulatory system proper. B) acts as a "receiving" system for the allergic response. C) renders destruction of foreign bodies through chemical lysing. D) does all of the above.