abiotic factor - a part of the environment that is not living and has never lived, biotic factor - a part of the environment that is living or was once living, community - all of the populations living together in a particular area, ecosystem - all of living and nonliving things that interact in a particular area, habitat - an environment in which all of an organism's needs are met, niche - the role an organism plays in its environment, population - a group of organisms of the same species that live in an area, predator - an organism that kills another for food, birth rate - the number of organisms born into a population in a specific period of time, immigration - the movement of organisms into a population, emigration - the movement of organisms out of a population, competition - an interaction that results when 2 organisms require the same limited resources, such as food, water, shelter, sunlight, carrying capacity - the maximum amount of a population that an area can support, death rate - the number of organisms that die in a population in a specific period of time, limiting factor - the part of an ecosystem that can restrict the growth of a population,

Ecosystems Vocabulary

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