TRASK BIOLOGY CH15 TEST

23 terms by MElkadiki

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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

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