The purpose of life table is to provide a clear and systematic picture of mortality and survival within a population. Can also be used to simulate population size change.
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Intrinsic rate of increase can NOT be estimated from the life table.
A. 对
B. 错
Birth rate and survivorship determine net reproductive rate。
A. 对
B. 错
Ecosystem have ( )major food chains
A. one
B. two
C. three
D. four
Assume a population, at t=0, population size is N(0), ratio of population size change in one year to the size of the proceeding year. This model is ( )
A. geometric growth model
B. exponential growth model
C. liner growth model
D. logistic growth model