The relationship between reef-building coral animals and zooxanthellae is classified as:

a. mutualism.
b. commensalism.
c. Batesian mimicry.
d. parasitism.
e. character displacement


a

Biology & Microbiology

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Which factor is the primary control of productivity in aquatic systems?

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What type of allele is often detected as a distortion in segregation ratios, where one class of expected progeny is missing?

A) dominant negative allele B) temperature-sensitive allele C) lethal allele D) partial dominance E) incomplete penetrance

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Classical conditioning such as the salivating of Pavlov's dog in response to a metronome is based on a(n)

A. dishabituation. B. involuntary response. C. sign stimulus. D. operant condition. E. critical period.

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In a hybrid zone where reinforcement is occurring, which of the following would be expected to decline?

a. Genetic divergence between species b. Speciation c. Gene flow between species d. Mutation rate e. Prezygotic isolation

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