4.5 Ecosystem session 3 part B

Turning on lights all the time is a way of keeping the environment resources. (True or False)

Some of the environment changes are natural. Other changes are caused by............

Cutting down trees to build houses is a ...............change for the environment.

If we use less energy we will protect our environment (True or false)

Fires can cause ecosystems to change environment in both ..............and.................ways.

.......................is when the small pieces of rock are carried away by water and sometimes by wind.

................is a large amount of water that covers normally dry land. Floods can happen very suddenly.

One kind of plant may take over all the space in an area, making it hard for other plants to survive. (True or False)

In an ........................, both living and nonliving things interact.

The exhaust from cars and trucks can pollute the ....................

Ocean waves can also cause .................