Ecosystem

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Across
  1. 2. an system of complex interconnected foodchains
  2. 5. a rat eating grains
  3. 7. the physical environment
  4. 8. obtain their food from plants
  5. 9. basic functional unit of organisms and interaction between their surroundings
Down
  1. 1. a hawk eating a snake
  2. 3. all the living components of the environment
  3. 4. attack dead and decaying matter and returns the nutrition back to the environment
  4. 6. organisms that prepare their own food
  5. 10. main source of energy for all life on the Earth