Traits that are similar in two species as a result of common ancestry are referred to as:
A. homologous.
B. analogous.
C. convergent.
D. derived.
E. ancestral.
A
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Which of the following is the amount of air that can be forcibly exhaled after a normal exhalation?
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(a) blue, yellow. (b) yellow, green. (c) red, blue. (d) yellow, blue.
The __________ governs expression of three genes active in lactose metabolism. Fill in the blank(s) with the appropriate word(s)