Which of the following is the main source of energy in an ecosystem?

In a food chain, who eats the producers?

What is the correct food chain?

Which organisms break down dead plants and animals?

What do we call many connected food chains in an ecosystem?

Which level comes first in a food chain?

An ecosystem includes:

What happens to energy as we go up a food chain?

What is the role of decomposers in an ecosystem?

Which is a land ecosystem?

Which organism eats both plants and animals?

Which of these is a producer in a pond ecosystem?

What do we call animals that eat only plants?

What is the top consumer in a food chain called?

Which ecosystem is the largest on Earth?

Which factor is non-living in an ecosystem?

What do plants need to make food?

Which of these best describes a food web?

Why are decomposers important?

What happens if all producers die in an ecosystem?