Share 4.5 Ecosystem session 3 part B
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In an ........................, both living and nonliving things interact.
ecosystem
Fires can cause ecosystems to change environment in both ..............and.................ways.
positive and negative
.......................is when the small pieces of rock are carried away by water and sometimes by wind.
Erosion
Ocean waves can also cause .................
erosion
................is a large amount of water that covers normally dry land. Floods can happen very suddenly.
flood
Some of the environment changes are natural. Other changes are caused by............
people.
The exhaust from cars and trucks can pollute the ....................
air.
Cutting down trees to build houses is a ...............change for the environment.
Human
One kind of plant may take over all the space in an area, making it hard for other plants to survive. (True or False)
True
If we use less energy we will protect our environment (True or false)
true
Turning on lights all the time is a way of keeping the environment resources. (True or False)
False
