Across
- 6. Gas that plants use for photosynthesis
- 8. Eye colour is an example of which variation
- 10. Animals of different species compete for.......
- 11. Variation with a range of possible values
Down
- 1. Gas given off by photosynthesis
- 2. Process that plants use to make food
- 3. Light is an example of an ......... factor
- 4. Where an animal lives
- 5. Organism that makes its own food
- 7. The variety of living organisms in a habitat
- 9. Where producers get the energy to make their own food