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Unit 5 Life science
Ecology
| Term | Definition |
|---|---|
| abiotic | non-living characteristics of an ecosystem |
| biotic | living characteristics of an ecosystem |
| predation | an animal hunting and eating another animal |
| mutualism | when two organisms have a relationship in which both organisms benifit |
| competition | when 2 or more species are trying to fight for the same resources it is called |
| trophic level | a feeding level of the food pyramid is called? |
| food pyramid | a chart showing how many organisms it takes to feed other organisms, generally in the shape of a triangle is called? |
| consumer | On the food pyramid, when an organism eats any other organism they are known as _____ |
| producer | an organism that uses photosynthesis to make food for other organisms |
| primary consumer | something that eats plants on the first level of the food pyramid is called? |
| tertiary consumer | Some animal of the 4th trophic level is known as what type of a consumer? |
| secondary consumer | three trophic levels up the food pyramid would be labeled what consumer level? |
| autotroph | an organism that makes it's own food |
| heterotroph | an organism that eats other organisms |
| food chain | a single list of organisms starting with the producers and ending in consumers that shows what organism eats or is eaten by |
| food web | a drawing of interconnections of an ecosystem showing what organisms consume and are consumed by |
| biodiversity | the measurement of the health of an ecosystem is determined by investigating the variety of organisms that lives there. this is know as what? |
| limiting factor | something that keeps the population numbers down is known as a |
| comensalism | a relationship where one animal benefits and the other has no change either good or bad |
| niche | all jobs, locations living, and social interactions that an organism has is called |
| habitat | the location in which an organism lives is called___ |
| decomposer | an organism that breaks down dead or dying materials, such as bacteria and fungi |
| conservation | the act of protecting the environment or it's resources? |
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NJHS Life Science
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