All of the living and nonliving parts of an environment.

Something that living things use to live, grow, and move.

The environment where an organism lives.

A living thing

Act together with others.

An organism that makes its own food.

An organism that gets its food by eating other organisms.

To rely on someone or something else for support.

A period of dryness.

A closed container where plants (and sometimes animals) are kept that is self-supporting as long as it has a source of light energy.

An animal that gets energy by eating only plants.

Animals that get energy by eating both plants and other animals.

An animal that gets energy by eating only other animals.

A gas made of carbon and oxygen particles that plants need for photosynthesis.

The process of using the energy in sunlight to make food from water and carbon dioxide.

Interrelated food chains in an ecosystem.

A specific feeding sequence in which organisms obtain energy in an ecosystem.

The role played by each living organism.

Air, water, sunlight, rocks and soil.

Sunlight, water, nutrients, air and a space to grow.

Air, water, food and shelter

Two important things that plants provide in an ecosystem.

Correct order of a food chain -
Snake, hawk, sun, mouse, acorns

Correct order of a food chain -
big fish, insect, seagull, sun, small fish, flower.

Correct order of a food chain -
coyote, sun, mountain lion, deer, grass