Ecology

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Across
  1. 2. Network of food chains within an ecosystem.
  2. 4. Eat plants/primary consumers.
  3. 6. Living or once living.
  4. 7. Make their own food through photosynthesis.
  5. 9. Nonliving
  6. 10. Consume other animals.
  7. 11. Rocks, sand, water, oxygen.
Down
  1. 1. Shows the amount of energy that moves from one feeding level to the next.
  2. 3. The number of different organisms that live in an ecosystem.
  3. 5. Grass, oak tree, moss.
  4. 8. maple tree, cougar, mushroom.