Ch 4 Review - Living Things Change Their Environments

The organisms that cause the most changes to the environment are __________.

Plants and animals can lose their __________ when people clear forests.

Pollution increases when __________ are drained.

An organism that is new to an environment can harm it by competing for __________ that other plants and animals need.

You protect the environment when you __________ the amount of paper you use.

You protect the environment when you __________ newspapers to line pet cages.

Businesses protect the environment when they __________ old newspapers into new paper products.

When you plant a tree, you help keep __________ from washing away.

Reducing, reusing, and recycling paper products helps plants and animals by:

________ is to turn old things into new things