Organisms that consume only plants.

The nonliving parts of the environment.

A single, linear path showing the flow of energy from the sun to producer and through different levels of consumers.

Overlapping food chains with different pathways for the flow of food energy in an ecosystem.

An organism that gets their energy by feeding on producers in the food chain. (herbivores)

The living or once living part of the environment.

Organisms such as bacteria and fungi that breakdown the remains of dead plants and animals without need for internal digestion.

A system comprising all the biotic and abiotic factors in an area and all the interactions among them.

An organism that consumes both animals and plants.

Animals that eat other animals that eat plants.

Animals that eat secondary consumers.