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any factor in the environment that does not depend on the number of members in a population per unit area
usually abiotic and include natural phenomena such as weather events--drought or flooding
any factor in the environment that depends on the number of members in a populaton per unit area
usually biotic factors such as predation, disease, parasites and competition
studies the characteristics of populations, such as growth, size, distribution, or genetics.
logistic growth model
populations growth slows or stops following expontential growth, at the populations carrying capacity
the maximum number of individuals in a species that an environment can support for the long term
an adaption for living in an environment where fluctuation in biotic or abiotic factors occur
generally is a larger organism that has a long life span, produces few off-spring and whose population reaches equilibrium at the carrying capacity
reproductive strategy of an r-strategist
produce as many offspring as possible in a short period of time to take advantge of some environmental factors
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