Which populations are at greatest risk for extinction?
A) very small ones
B) very large ones
C) ones with specific niches
D) ones with extensive habitat ranges
Correct Answer:
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Q36: The average number of female offspring born
Q37: If survival rates do not vary with
Q38: The net reproductive rate is the sum
Q39: The gross reproductive rate is
A)the total number
Q40: A population reaches a stable-age distribution when
Q42: The probability of survival and death usually
Q43: The leading cause of current species extinctions
Q44: The instantaneous per capita rate of growth
Q45: Exponential growth is characteristic of populations that
Q46: The net reproductive rate (R0)refers to the
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