Living cells require from outside sources.
Some animals, such as the giant panda, obtain energy by eating plants, and some animals feed on other organisms that
Energy flows into an ecosystem as and leaves as
Photosynthesis generates and molecules, which are used in cellular respiration.
Cells use energy stored in organic molecules to regenerate ATP, which powers .
Energy is the movement of the object through space.
Label the picture of an Ecosystem.
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