Ecosystem Energy Puzzles – 7th Grade Life Science

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Across
  1. 2. Chain A diagram showing energy flow in a chain
  2. 3. Web A network of connected food chains, showing the flow of energy in an ecosystem.
  3. 6. A system with all biotic and abiotic factors together in an environment depending on each other for survival
  4. 9. An animal that eats other living organisms
  5. 10. An organism that must consume other organisms for nutrients
  6. 12. An animal that eats only plants
  7. 13. Simple sugar made by plants
Down
  1. 1. An organism transforms energy from the sun and uses carbon dioxide and water to make food
  2. 4. An animal that eats both plants and meat
  3. 5. Breaks down dead plants and animals for energy
  4. 7. The source of all life’s energy
  5. 8. Green pigment used in photosynthesis
  6. 11. Level The position an organism occupies on the food web