Page 183 - Science Course 3 (Book 1)
P. 183
What happens when environments change?
Changes in the environment are caused by both natural processes and human actions.
Changes in an environment can occur slowly or rapidly and can have positive or negative effects.
Succession is the gradual change from one community to another community in an area.
Annual Perennial Shrubs Softwood Hardwood
Plants Plants and Tress- Trees
Grasses Pines
TIME
SUMMARY
How is an Ecosystem Different From a Biome?
Biotic factors are the living parts of an ecosystem.
Earth’s biosphere contains many different biomes.
Changes in a community can be very slow or very
rapid.
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