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