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Ecosystem
Term | Definition |
---|---|
environment | all of the living and nonliving things surrounding an organism |
ecostystem | a community and its physical environment together |
population | all the individuals of the same kind living in the same ecosystem |
community | all the populations of organisms living together in an environment |
producer | a living thing, such as a plant, that can make its own food |
consumer | a living thing that can't make its own food and must eat other living things |
herbivore | an animal that eats only plants, and producers |
carnivore | an animal that eats only other animals |
omnivore | an animal that eats both plants and other animals |
decomposer | a living thing that feeds on the wastes of plants and animals |
habitat | an environment that meets the needs of an organism |
niche | the role of an organism in its habitat |
food chain | a series of organisms that depend on one another for food |
prey | consumers that are eaten by predators |
predator | a consumer that eats prey |
food web | a group of food chains that overlap |
energy pyramid | a diagram showing how much energy is passed from one organism to the next in a food chain |