Natural Selection

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