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Ecology Vocabulary
Ecology Vocabulary List
| Vocabulary | Definition |
|---|---|
| abiotic factor | a nonliving part of an ecosystem |
| biome | a group of ecosystems with similar climates and organisms |
| biotic factor | a living part of an ecosystem |
| carnivore | an animal that eats only other animals |
| commensalism | a relationship between two species in which one species benefits and the other is nether helped nor harmed |
| community | all different organisms that live together in an area |
| competition | the struggle between organisms for the limited resources in a habitat |
| consumer | an organism that obtains energy by feeding on other organisms |
| decomposer | an organism that breaks down large molecules from dead organisms into smaller molecules and returns important materials to the environment |
| ecosystem | all living and nonliving things that interact in an area |
| energy pyramid | a diagram that shows the amount of energy that moves from feeding level to another in a food web |
| equilibrium | a state in which opposing forces in a system are equally balanced or stable |
| food chain | a series of events in which one organism eats another and obtains energy |
| food web | the pattern of overlapping food chains in an ecosystem |
| habitat | the place where an organism lives and that provides the things the organism needs |
| herbivore | an animal that eats only plants |
| host | an organism that provides a source of energy or a suitable environment for a virus or for another organism to live |
| mutualism | a type of symbiosis in which both partners benefit from living together |
| niche | an organism's particular role in an ecosystem, or how it makes its living |
| omnivore | an animal that eats both plants and animals |
| parasite | an organism that lives on or in a host and causes harm to the host |
| parasitism | a relationship in which one organism lives on or in another and harms it |
| pioneer species | the first species to populate an area |
| predation | an interaction in which one organism hunts and kills another animal for food |
| predator | a carnivore that hunts and kills other animals for food and has adaptations that help it capture the animals it preys upon |
| prey | an animal that a predator feeds on |
| primary succession | the changes that occur in an area where no ecosystem had existed |
| producer | an organism that can make its own food |
| scavenger | a carnivore that feeds on the bodies of dead organisms |
| secondary succession | the changes that occur after a disturbance in an ecosystem |
| species | a group of similar organisms whose members can mate with one another and produce fertile offspring |
| succession | the series of predictable changes that occur in a community over time |
| symbiosis | a close relationship between two organisms in which at least one of the organisms benefits |
Created by:
bekah0515
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