Across
- 3. What naturalist first proposed the theory of Natural Selection?
- 5. The production of more offspring than a environment can support?
- 6. Species clash over resources that can support a certain population of species?
- 8. An individuals success in its natural habitat leads to its?
- 9. The diversity of living species?
- 11. What species of bird help to prove Darwin's theory of Natural Selection
Down
- 1. units that contain DNA that contain coded instructions that control how an organism and offspring will develop?
- 2. The process of nature where organisms that are better adapted to an environment tend to survive longest?
- 4. The process of changing to suit different environments?
- 7. The differences in a species form, function and behaviour?
- 10. Genes that are passed down to offspring from their parents