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Ecosystem Contents
What is in an Ecosystem. The "Animals and Energy" terms also go with these.
Term | Definition |
---|---|
ecosystem | all the living, used-to-be-living, and nonliving (never living) things in an environment |
biotic factor | any living or used-to-be-living thing in an environment |
abiotic factor | any nonliving (never living) thing in an environment |
population | all members of ONE species (group) in an environment |
community | ALL of the living things in an environment |
limiting factor | any resource that limits a population's growth |
competition | fight for limiting factors in order to survive |
carrying capacity | the largest population that an area can support |
habitat | the place where a living thing hunts and lives |
niche | the special role that an organism plays in its habitat |
symbiosis | a relationship between two or more kinds of organisms over time |
mutualism | a relationship between two organisms that helps BOTH organisms |
commensalism | a relationship between two organisms that helps one without harming the other |
parasitism | a relationship between two organisms that helps one organism but harms the other |
parasite | an organism that lives in or on a host organism, causing harm to the host |
host | an organism that is harmed by another organism living in it or on it |
turtle | the best organism that ever existed in any ecosystem, according to Ms. Levi |