3rd Grade Ecosystems Review

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their environment (land, water, air).

Front

What are producers in an ecosystem?

Back

Producers are organisms that make their own food using sunlight, like plants and algae.

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that eat other organisms for energy, including herbivores, carnivores, and omnivores.

Front

What are decomposers?

Back

Decomposers are organisms that break down dead plants and animals, returning nutrients to the soil.

Front

What is a food chain?

Back

A food chain shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is the role of the sun in an ecosystem?

Back

The sun provides energy for plants to grow, which is the starting point of most food chains.

Front

What is a desert ecosystem?

Back

A desert ecosystem is a dry environment with limited water, where plants and animals have adapted to survive.

Front

Which animal is NOT found in a desert ecosystem?

Back

Grizzly Bear.

Front

What is an ocean ecosystem?

Back

An ocean ecosystem is a large body of saltwater that supports a variety of marine life.

Front

Which organism makes its own food from sunlight in an ocean ecosystem?

Back

Algae.