Energy in Ecosystems

Consumers cannot make their own food.

Eats only other animals

This process can fall as rain, sleet, or snow.

Nitrogen can be fixed by volcanic activity and lightning.

A lion is an example of a producer.

Eats both plants and animals

A layer of gases surrounding the Earth is called the

What is your favorite type of consumer from the ones listed below?

The Nitrogen Cycle is the continuous circulation of nitrogen from air to soil to organisms and back again.

When liquid water changes into a gas it is called

Eats only plants

All of Earth's liquid and solid water are found in the

The path that energy and nutrients follow is a

What is the continuous movement of water between Earth's surface and the air?

What process occurs when water changes from a gas to a liquid?

An organism that uses energy from the sun to make its own food is a

All of Earth's living things are found on the

Bacteria that live on roots CANNOT change nitrogen gas.

An example of a consumer is

What do all food chains and food webs start with?

How is nitrogen released into the soil?

All food chains end with

This model shows many food chains linked together.

The soil, rock, and land features on Earth's surface is the

What can help return nitrogen into the atmosphere?