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QRES Chapter 7
Term | Definition |
---|---|
environment | All of the living and nonliving things surrounding an ecosystem. |
ecosystem | A community and it's physical environment together. |
population | All the individuals of the same kind of 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 it's own food. |
consumer | A living thing that can't make it's own food and must eat other living things. |
herbivore | An animal that eats only plants, or other 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 need 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 | group of food chains that overlap. |
energy pyramid | a diagram showing how much energy is passed from one organism to next in a food chain. |
biotic | describes a living part of an ecosystem. |
abiotic | describes a nonliving part of an ecosystem. |