Unit 10 Vertebrates Vocabulary 3
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16 terms
Terms | Definitions |
|---|---|
 ecology | the study of the interactions of living organisms with one another and with their environment |
| trophic level | an organisms relative position in a sequence of energy trnasfers in a food chain |
| producer | organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds; also called an autotroph |
| consumer | an organism that obtains energy by feeding on other organisms |
| omnivore | an animal that eats both plants and animals |
| herbivore | organism that obtains energy by eating only plants |
| carnivore | Meat eater |
| decomposer | organism that breaks down the wastes or remains of other organisms |
| mutualism | a relationship between two species in which both species benefit |
| predator | animal that hunts and eats other animals |
| prey | animal hunted or caught for food |
| parasite | an animal or plant that lives in or on a host (another animal or plant) |
| host | an animal or plant that nourishes and supports a parasite |
| niche | (ecology) the status of an organism within its environment and community (affecting its survival as a species) |
| ecosystem | a system formed by the interaction of a community of organisms with their physical environment |
| food web | (ecology) a community of organisms where there are several interrelated food chains |
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