Producer
A living thing such as a plant that can make its own food.
Consumer
A living thing that cannot make its own food and must eat others living things.
Prey
Animals that are caught and eaten by predator.
Predator
An animal that hunts and catches and eats other animals.
Scavenger
An animal that feeds on dead plants and animals.
Decomposer
An organism that breaks down dead organisms and animals wastes into simpler substances which are then returned to the environment.
Food chain
The transfer of food energy between organisms in an ecosystem.
Food Web
A group of food chains that overlap.