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AP Environmental Science/Unit 9: Global Change
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Reproductive Rates and Population Decline Models

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Which of the following pieces of evidence best supports the conclusion that the low reproductive rates of an endangered species result in a gradual, polynomial decline in its population over time?

A

A model that demonstrates cyclical population booms and busts, more typical of predator-prey interactions than of the steady decline predicted for species with low reproductive rates.

B

A population model indicating exponential growth, which would contradict the expected decline resulting from low reproductive capacity.

C

A model in which the population remains constant over time, suggesting that reproductive rates have little or no effect on population size, which does not align with the observed trends in endangered species.

D

A population model showing that, due to low reproductive rates, the species follows a polynomial decay function, indicating a slow but steady reduction in numbers over time that is mathematically distinct from exponential decline.

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