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14 terms

APES ch 6

STUDY
PLAY
Population
is in a dynamic state of equilibrium.
Environmental resistance
Factors that limit growth and produce population equilibrium are known as ____________.
exponential
Environmental resistance is to sigmoid curve as bloom is to __________ growth.
Logistic growth
_______________ rates are those in which a population grows rapidly when conditions are good, then slows as it approaches carrying capacity.
biotic potential
An organism's _________________ is the maximum number of offspring that it can produce
population crash
A dieback, or _________, often occurs after a species oscillates around its environmental carrying capacity.
doubling time
the ______________ for a population with an annula growth rate of .07 is ten years.
r- adapted
You are studying an organism that is a pioneer species, is an opportunists, and does not care for it's offspring. This organism probably has a _______ population growth strategy.
k-adapted
You are studying an organism that is fairly large, matures slowly, lives fairly long, and cares for its offspring. This organism probably has a ______________ population growth strategy.
Natality
is usually variable, depending on environmental conditions.
fecundity
the term ______________ refers to an organism's physical ability to reproduce while fertility is actual number of offspring produced.
life expectancy
is the number of years an individual of a certain age will probably live
density-independent
___________ population control factors cause mortality regardless of population size
density dependent
widespread starvation is an example of __________ population control.