S7M:Unit Final

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The living things are called the biotic factors, or parts, of the ecosystem; the non-living
things are called the abiotic factors. In the grid below, check off which term matches the right heading: either Biotic or Abiotic factors.

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Green plants are the main __________. They produce food by using the Sun’s energy to combine water with gas from the air. This process is __________.

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A __________chain is a convenient way to show how __________moves among living things in an __________ Here is an example of a food chain.

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