Natural Selection Vocabulary

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Across
  1. 4. the theory of evolution that states that organisms with traits best suited to their environments will survive and reproduce
  2. 5. factor of natural selection that explains that living things must compete to survive
  3. 6. factor of natural selection that explains the slight differences between individuals of the same species
  4. 9. animal that hunts prey
  5. 14. title of Darwin's book
  6. 15. group of organisms whose members successfully reproduce among themselves
Down
  1. 1. animal that Darwin took an interest in because of their beak shape
  2. 2. change in hereditary features of a species over time
  3. 3. type of animal that was evidence of evolution due to a change in speckled pattern
  4. 5. naturalist who proposed the idea of natural selection
  5. 7. series of islands in the Pacific Ocean that Darwin studied animals on
  6. 8. factor of natural selection that explains the traits that help individuals survive
  7. 10. factor of natural selection that explains that organisms produce more offspring than can survive
  8. 11. type of scientist that studies nature through observations
  9. 12. animal that is hunted by a predator
  10. 13. factor of natural selection that explains that individuals with the best adaptations are more likely to survive and reproduce