Review #3 Ecosystems

An organism that breaks down dead plants and animals.

• producers

• consumers

• abiotic factors

• decomposers

Is a region that has a certain climate and certain plants and animals.

• habitat

• ecosystem

• areas

• biomes

All the nonliving things in an ecosystem.

• biotic factors

• abiotic factors

• bacterias

• animals

The type of biome that is found near the North Pole. They are cold and dry. Some parts are covered in ice.

• desert

• ocean

• grassland

• tundra

A model that shows how the energy in food passes from one organism to another in an ecosystem.

• food web

• energy pyramid

• food chain

• pollination

Is an organism that must eat other organisms to get energy.

• producer

• decomposers

• consumers

• parasites

is an organism that makes its own food. Perform photosynthesis and they use energy from the Sun.

• producers

• consumers

• decomposers

• worms

Is a model that show how energy moves through a food chain.

• food web

• food chain

• energy pyramid

• food pyramid

What are the 3 kinds of consumers?

• animal, humans, and bacteria

• producers, consumers, and decomposers

• amoebas, parasites, and tapeworms

• herbivores, carnivores, and omnivores

A term describing a living part of an ecosystem.

• rocks

• clouds

• biotic factors

• abiotic factors