Food Chains and Food Webs

Front

What is a food chain?

Back

A path that shows who eats whom

Front

What is the initial source of energy for nearly all living things?

Back

The sun

Front

What organism begins the food chain by utilizing energy from the sun to make its own food?

Back

Grass

Front

What do the arrows in a food chain represent?

Back

The flow of energy

Front

In a food chain, where does the energy always flow?

Back

From the food to the feeder

Front

What happens to the energy between each step in a food chain?

Back

It is lost

Front

How is energy lost in a food chain?

Back

All of the above

Front

What is a food web?

Back

Network of many food chains connected together

Front

What happens if one species goes extinct in a food web?

Back

It affects the entire system with unpredictable results

Front

What happens to the spider population if grasshoppers are removed from the food web?

Back

It would decrease