producer
a living thing such as a plant that that can make. its own food
consumer
a living thing that cannot make its own food and must eat other living things.
prey
animals that are caught and eaten by predators.
predator
an animal that hunts catches and eats other animals.
scavenger
animal that feeds on dead plants and animals
decomposer
an organism that breaks down dead organism and animal waste into simpler substances which are then returned to the environment.
food chain
the transfer or food energy between organism in a ecosystem
food web
a group of food chains that overlap