FOOD WEB, FOOD CHAIN, ENERGY PYRAMID

Front

What is the ultimate source that drives the food chain?

Back

The Sun

Front

What does the arrow in a food chain represent?

Back

Transfer of energy

Front

Name two producers in a food web.

Back

Land plants and tiny water plants

Front

What are primary consumers in a food chain?

Back

Organisms that eat producers, such as herbivores.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the 10% rule in energy transfer?

Back

Only about 10% of the energy from one trophic level is passed on to the next level.

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What are secondary consumers?

Back

Organisms that eat primary consumers, typically carnivores or omnivores.

Front

What role do decomposers play in a food web?

Back

They break down dead organic matter, returning nutrients to the soil.