Matter and Energy in Ecosystems

Front

What is a food web?

Back

A model that contains many food chains.

Front

True or False: A food web shows how energy flows through an ecosystem.

Back

True.

Front

What are abiotic factors?

Back

Non-living components of an ecosystem, such as rocks, air, sunlight, and water.

Front

What would happen if an ecosystem no longer received sunlight?

Back

All living organisms would eventually die.

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the soil.

Front

What are biotic factors?

Back

Living components of an ecosystem, such as plants, animals, and microorganisms.

Front

How does energy flow in a food chain?

Back

Energy flows from producers to consumers and then to decomposers.

Front

What is a producer in an ecosystem?

Back

An organism that makes its own food, usually through photosynthesis, like plants.

Front

What is a consumer in an ecosystem?

Back

An organism that eats other organisms for energy.

Front

What happens to a food web if a key species is removed?

Back

It can disrupt the balance and affect many other species.