Life on Earth Revision

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Across
  1. 2. Green pigment in plants which absorbs light
  2. 4. A radon change to an organism's DNA
  3. 6. A polar bear's thick fur is an example of this type of adaptation
  4. 7. Term for when an organisms stops responding to a non-harmful stimulus
  5. 10. Alternative to pesticides where a natural predator is used to kill off pests
  6. 11. Molecule used as an energy store by plants and is produced during stage 1 of photosynthesis
  7. 12. Light energy is used to split this molecule into hydrogen and oxygen during stage 1 of photosynthesis
  8. 13. Hibernation/migration are examples of this type of adaptation
  9. 14. Type of behaviour which an animal is born with
  10. 15. Chemical used on plants to kill other organisms which feed on crops
  11. 17. Sugar produced by plants during photosynthesis
  12. 18. Component of fertilisers which plants use to make proteins
  13. 20. Type of mutation which makes an organism better adapted to their environment
Down
  1. 1. A type of adaptation involving an internal body process
  2. 3. Term used for increase in pesticide concentration along a food chain
  3. 5. Scientific term for "survival of the fittest"
  4. 8. Raw material of photosynthesis
  5. 9. Limiting factor which when too high or too low decreases the rate of photosynthesis
  6. 16. Chemical which turns black in the presence of starch
  7. 19. Gas produced as a by-product during photosynthesis