herbivore

symbiosis

A close relationship between two species that benefits at least one of the species.

food web

A community of organisms where there are several interrelated food chains

consumer

A person or household that purchases goods or services.

commensalism

A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited

mutualism

A relationship in which both species benefit

parasitism

A relationship in which one organism lives on or in a host and harms it.

food chain

A series of steps in which organisms transfer energy by eating and being eaten

carnivore

An animal (or sometimes a plant) that feeds on animals.

herbivore

An animal that eats only plants

omnivore

An organism that eats both plants and animals

predator

An organism that feeds directly on other organisms in order to survive; live-feeders such as herbivores and carnivores

prey

An organism that is killed and eaten by another organism.

producer

An organism that makes its own food.

coevolution

Mutual evolutionary set of adaptations of two interacting species