Consumer: A living thing that can not make its own food, and must eat other living things.
Decomposers: A living thing that gets energy by breaking down dead organisms and animal waste.
Community: A group of organisms that live in the same area.
Population: All the organisms,of the same kind,that live together in a ecosystem.
Ecosystem: A community of organisms and the environment.
Niche: The role of a plant or an animal in its habitat.
Organisms: A living thing.
Adaptation: A characteristic that helps an organism survive.
Producer: A living thing that can make its own food.