Two species of beetles could potentially interbreed, but they don't because one mates in May and the other mates in July. This is an example of ______________ isolation.

a. mechanical
b. temporal
c. ecological
d. behavioral


Ans: b. temporal

Biology & Microbiology

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a. ectomycorrhiza b. lichen c. arbuscule d. endomycorrhiza e. haustorium

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A reaction is

a. a reflex. b. involuntary. c. voluntary. d. both a and b.

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A display of data obtained from scientific experiments can often be described using a(n) ________ to clarify the meaning of experimental results

Fill in the blank(s) with correct word

Biology & Microbiology

A bacterial chromosome consists of a:

a. linear DNA molecule many times larger than the cell. b. circular DNA molecule many times larger than the cell. c. circular DNA molecule smaller than the cell. d. linear DNA molecule smaller than the cell. e. linear or circular DNA molecule smaller than the cell.

Biology & Microbiology