S7M:Unit Final

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4 questions
10

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.

Biotic
Abiotic
Sun
Air
Grass
Tree
Rotten log
Deer
Water
Gravel
Grasshopper
Bacteria
2
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 __________.

3
A __________chain is a convenient way to show how __________moves among living things in an __________ Here is an example of a food chain.
5

Using these terms: frog, owl, snake, flower, caterpillar, complete the food chain.