Respond to statements 92–96 with reference to the five terms
listed below, which are used by ecologists.
a. carrying capacity
b. net reproduction per individual per unit time
c. age structure
d. survivorship
e. growth rate
D 92. This is the birth rate minus the death rate assuming
they are constant.
M 93. The number of individuals in each of several age
categories is this.
M 94. The maximum number of individuals that a given
habitat can support is this.
D 95. A change in the available food supply in a habitat
will affect all of these except this.
D 96. This is the birth rate minus the death rate times the
population size assuming balanced immigration and
emigration.
Answers: 92. b, 93. c, 94. a, 95. c, 96. e
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