Food Chains and Food webs

Front

What is a food chain?

Back

A food chain shows how energy is passed from one living thing to another in an ecosystem.

Front

What are decomposers?

Back

Decomposers are organisms that break down dead organic material, returning nutrients to the soil.

Front

Who are the producers in a food web?

Back

Producers are the largest group of organisms in a food web; they create their own food through photosynthesis.

Front

Why might an organism have more than one arrow coming from it in a food web?

Back

More than one organism may eat them.

Front

Where does all energy on Earth ultimately come from?

Back

All energy on Earth ultimately comes from the Sun.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem.

Front

What role do primary consumers play in a food chain?

Back

Primary consumers are organisms that eat producers; they are the second level in a food chain.

Front

What are secondary consumers?

Back

Secondary consumers are organisms that eat primary consumers; they are the third level in a food chain.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of energy transfer, while a food web is a complex network of multiple food chains.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers recycle nutrients back into the ecosystem, making them available for producers.