Earth

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. English mathematician and physicist (6)
  2. 3. What an organism looks like as a consequence of the interaction of its genotype and the environment (9)
  3. 7. The biological process whereby genetic factors are transmitted from one generation to the next (8)
  4. 9. Produced by the action of water (11)
  5. 12. An allele that produces its characteristic phenotype only when its paired allele is identical (9)
  6. 15. Diffusion of molecules through a semipermeable membrane from a place of higher concentration to (7)
  7. 16. A stable particle with positive charge equal to the negative charge of an electron (6)

Down

  1. 1. Distance travelled per unit time (8)
  2. 4. Metabolic equilibrium actively maintained by several complex biological mechanisms that operate via (11)
  3. 5. Having to do with the body (8)
  4. 6. Produced under conditions involving intense heat (7)
  5. 8. The process in which there is movement of a substance from an area of high concentration of (9)
  6. 10. A segment of DNA that is involved in producing a polypeptide chain (plural) (5)
  7. 11. An elementary particle with negative charge (8)
  8. 13. A liquid substance capable of dissolving other substances (7)
  9. 14. Hard outer layer of the Earth or of bread (5)