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10 terms

biology final exam: population growth and ecosystems: chapter 36

STUDY
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all of the redwood trees that live in a forest is an example of _____.
a population
To determine the density of a rabbit population, you would need to know the number of rabbits and _____.
the size of the area in which they live
In wild populations, individuals most often are found near available resources and show a _____ pattern of dispersion.
clumped
An oak tree produces thousands of acorns, but very few grow into mature oak trees. The oak tree exhibits a _____ survivorship curve.
Type III
In the models that describe population growth, r stands for _____.
an organism's maximum capacity to reproduce
The number of individuals that a particular habitat can support with no degradation of the habitat is called _____.
carrying capacity
Which of the following is regarded as a density-dependent factor in the growth of natural populations?
interspecific competition
Which of the following is the most accurate comment on the Earth's carrying capacity for people?
Our technology has allowed us to keep increasing K
Today's human population growth _____.
is currently exponential
A broad-based pyramid-shaped age structure is characteristic of a population that is _____.
growing rapidly