Page 180 - Science Course 3 (Book 1)

Mo4-L7a: How is an Ecosystem Different From a Biome?

Biome Key Concept
a geographic area on earth that contains ecosystems How is an Ecosystem Different From a
with similar biotic and abiotic features. Biome?
What is an Ecosystem?

Succession
the gradual change from one community to another
community in an area.
Time
Pioneer community Climax community

Lichen Grasses, Herbs Aspren, White spruce
Mosses Shrubs, Tree black spruce Balsam fir
Seedlings Jack Pine Paper birch

Let’s Begin

What are ecosystems?
• Ecology is the study of how organisms interact with each other and with their environments.

• Every organism on Earth lives in an ecosystem—the living and nonliving things in one place.
• Different organisms depend on different parts of an ecosystem to survive.

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