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23 terms

TRASK BIOLOGY CH15 TEST

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seagulls fiercely defend the areas around their nests in their cliff top breeding colonies, within the colony they would show a _____ dispersion pattern
uniform
assume that there are five alligators per acre in a swamp in northern Florida, this a measure of the alligator population's
density
the death by bubonic plague of about one-third of Europ's population during the fourteenth century is a good example of
a density-dependent factor
what is an organisms best illustrates K-selection
a polar bear producing one or two cubs every three years
what is an organism that tends to grow exponentially when allowed to reproduce
r-strategist
In wild populations, individuals most often show a _____ pattern of dispersion
clumped
what is most likely to have density-dependent effects on populations growth
food supply
a broad-based pyramid-shaped age structure is characteristic of a population that is
growing rapidly
freezing water
density independent
has a greater effect on a larger population
density dependent
a volcanic eruption
density independent
predation
density dependent
floods
density independent
food supply
density dependent
disease or parasites
density dependent
fire
density independent
tends to be a biotic factor
density dependent
tends to be an abiotic factor
density independent
exhibits rapid growth
r-strategist
species that quickly invade a habitat, quickly reproduce, and then die
r-strategist
large mammals
k-strategist
small, mature quickly, and require little, if any parental care
r-strategist
produce a small number of relatively large offspring that require extensive parental care until they mature
k-strategist