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18 Cards in this Set

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community

a group of various species that live in the same habitat and interact with each other

ecosystem

a community of organisms and their abiotic environment

habitat

a place where an organism usually lives

biodiversity

the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem

succession

the replacement of one type of community by another at a single location over a period of time

climate

the average weather conditions in an area over a long period of time

biome

a large reason characterized by a specific type of climate and certain types of plant and animal communities

producer

a photosynthetic or chemosynthetic autotroph that serves as the basic food source in an ecosystem

consumer

an organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients from inorganic sources

decomposer

an organism that feeds by breaking down organic matter from dead organisms

trophic level

one of the steps in a food chain or food pyramid

energy pyramid

a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain

population

a group of organisms of the same species that live in a specific geographical area and interbreed

carrying capacity

the largest population that an environment can support at an given time

predation

an interaction between two organisms in which one organism, the predator, kills and feeds on the other organism, the prey

coevolution

the evolution of two or more species that is due to mutual influence

parasitism

a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed

symbiosis

a relationship in which two different organisms live in close association