Interacting food chains found in an ecosystem

These organisms cannot make their own food; they must eat something for energy

Choose the decomposer.

The non-living parts of an ecosystem

All of the different populations that live in a specific area.

The place where an organism life provides it with shelter, food, and water.

The study of the interaction of living and nonliving things in the environment.

All the members of one type of species in a specific area.

the living parts of an ecosystem

A pride of lions stalks, tackles, and kills an antelope. Which is best being demonstrated?

A tapeworm inside a dog is

A living relationship between two species in which one organism is harmed is called...

This is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, and the frog is eaten by a snake, the snake belongs to

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

Which is NOT a process of the water cycle?

Why do living things need nitrogen?

What is the only process that removes carbon from the atmosphere?

Where is carbon stored in the environment?

What converts nitrogen into a useable form for plants and animals?

What is the largest reservoir for nitrogen?

Photosynthesis is an important part of the ______ cycle

Decomposition is part of all cycles except _______

How do animals get nitrogen?

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

The only organisms that can fix atmospheric nitrogen into chemical compounds are what?