Vocabulary book 3 units 2,4,6,7,14

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Across
  1. 3. a fatty compound containing phosphorous
  2. 6. the scientific study of animals, focusing specifically on how evolution can explain behaviours.
  3. 7. the study of insects
  4. 10. the process by which a living organism maintains a stable eternal environment
Down
  1. 1. a very small unit of life
  2. 2. the use of living organisms to develop beneficial products
  3. 4. underground structures that anchor plants and absorb water and nutrients from the soil
  4. 5. a science dealing with the ways genes affect the properties of organism
  5. 8. the study of plants
  6. 9. a component of DNA or RNA that determines biological functions