Unit 4: Matter and energy in ecosystems
500 possible mastery points
About this unitIn 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?
Why are there more squirrels than wolves? In a trophic pyramid, it's lonely at the top.
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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