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FV AD21 Cycle of matter and energy

Xanat Vaitiare Ferreyro Davis

Created on July 21, 2021

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Transcript

Cycle of energy

Click on the + buttons to find out how these organism obtain energy from the environment.

trophic levels

5º

Click on each number to know the characteristics of the trophic levels.

4º

3º

Ecologists use food chains and food webs to model the energy flow through an ecosystem. Each step in a food chain or food web is called a trophic level.

2º

1º

Models of energy flow

Trophic levels can be arranged in chains, pyramids or webs. Click on the buttons to know more about each model.

Food Chains

Ecological Pyramids

Food WEbs

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