Ecosystems CS1

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Across
  1. 4. physical trait
  2. 6. exchanges between organisms and the environment
  3. 8. variant/form of a gene
  4. 9. all the living things
  5. 10. ability to recover quickly
  6. 11. state of being stable
  7. 13. the salt content eg. the ____ of the water is high
Down
  1. 1. single or set of genes
  2. 2. power of hydrogen
  3. 3. the layer of gases surrounding the earth
  4. 5. inherited traits
  5. 7. a group of living organisms consisting of similar individuals
  6. 8. non-living physical factors
  7. 12. microorganisms