number of individuals per unit of area
movement of individuals into an area occupied by an existing population
movement of individuals out of a population
growth pattern in which the individuals in a population reproduce at a constant rate
growth pattern in which a population's growth rate slows or stops following a period of exponential growth
largest number of individuals of a population that a given environment can support
density-dependent limiting factor
limiting factor that depends on population size
mechanism of population control in which a population is regulated by predation
density-independent limiting factor
limiting factor that affects all populations in similar ways, regardless of population size
scientific study of human populations
change in a population from high birth and death rates to low birth and death rates
factor that causes the growth of a population to decrease
graph of the numbers of males and females within different age groups of a population
group of individuals of the same species that live in the same area
group of similar organisms that can breed and produce fertile offsprings
biological diverstity; the sum total of the variety of organisms in the biosphere
resource that can regenerate quickly and that is replaceable
resource that cannot be replenished by natural processes
introduction of intensive farming practices that lead to a substantial increase in crop yields
increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web
plants and animals that have migrated to places where they are not native
farming strategy in which large fields are cleared, plowed, and planted with a single, highly productive crop year after year
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