A population crash occurs when
A) a population approaches its carrying capacity.
B) environmental resistance comes into play gradually.
C) resources are essentially unlimited.
D) a population overshoots the carrying capacity and environmental pressures and shortfalls begin to exert their effects.
E) the population growth rate slows.
Correct Answer:
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Q20: Species that normally live and thrive in
Q21: The three main factors that led to
Q22: Carrying capacity is determined by
A)ecological succession.
B)biotic potential
Q23: Logistic growth
A)refers to an exponential increase in
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Q26: In 1845, the human population of Ireland
Q27: A population will decrease as
A)birth rate increases.
B)mortality
Q28: The biotic potential of a population
A)is its
Q29: Earth's carrying capacity for the human species
Q30: In which location is primary succession most
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