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15 Cards in this Set

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  • Back
ecosystem
all the living and nonliving things that interact in an area.
species
A group of organisms that are similar and reproduce to produce fertile offspring.
population
All the members of the one species in a particular area.
community
all the different populations that live together in an area.
immigration
moving into a population
emigration
leaving a population
limiting factor
an environmental factor that prevents a population
carrying capacity
the largest population that an area can support
natural selection
process by which individuals that are better adapted to the environment are more likely to survive and reproduce than others
adaptation
the behaviors and physical characteristics of species that allow them to live successfully in their environment.
predation
an interaction in which one organism kills and eats another
commensalism
a relationship between two species in which one species benefits and the other is neither helped nor harmed.
parasitism
a relationship in which one organism lives on or inside another and harms it.
symbiosis
a close relationship between species that benefits at least one of the species
mutualism
a relationship between two species in which both species benefit.