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Unit 4: Matter and energy in ecosystems
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About this unit
In this unit, you'll learn all about the way populations grow, the limits to their growth, and the way energy and matter move in ecosystems. You'll also explore the carbon cycle, a crucial process that keeps our planet in balance.
This town ain't big enough for the two of us: what happens when organisms compete over limited resources?
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- Understand: population growth and carrying capacityGet 3 of 4 questions to level up!
- Apply: population growth and carrying capacityGet 3 of 4 questions to level up!
Why are there more squirrels than wolves? In a trophic pyramid, it's lonely at the top.
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Practice
- Understand: flow of energy and cycling of matter in ecosystemsGet 3 of 4 questions to level up!
- Apply: flow of energy and cycling of matter in ecosystemsGet 3 of 4 questions to level up!
Carbon in the soil, carbon in the sea, carbon in you and me: it's all a cycle of give and take!
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- Understand: the carbon cycleGet 3 of 4 questions to level up!
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