What can cause changes in an enviornment?

What are examples of nonrenewable resources?

What is NOT a type of fossil?

What do we call the timeline of the history of the earth?

A species that no longer exists

All the living and nonliving things in an environment and the many ways they interact

This occurs when two or more living things need the same resources

Resources that can be replaced

a resource that is not easily replaced

The struggle among organisms for the same limited resources

A diagram that combines many food chains into one picture

Any substance that damages the environment

Which is NOT habitat

All the members of one species

a scientist who study fossils

Which ecosystem is the driest?

What kind of fuel comes from the remains of organisms that lived millions of years ago?

the area of place where an organism lives

True or False: All ecosystems are exactly the same