Natural Selection

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Across
  1. 4. Organisms better adapted to their environment survive and reproduce.
  2. 9. Gradual change in a species over time.
  3. 10. Organisms that can mate with each other AND produce fertile offspring.
  4. 11. Organisms have more offspring than can survive.
  5. 13. A characteristic that an organism can pass on to its offspring through its genes.
  6. 14. A trait that helps a population/organism survive
Down
  1. 1. A group organisms of the same species living in a particular area at the same time.
  2. 2. Human breed organisms for desired traits.
  3. 3. Body parts that indicate common or similar ancestry.
  4. 5. Any change in DNA sequence.
  5. 6. Any difference between individuals of the same species.
  6. 7. Organisms fight over limited resources
  7. 8. Only caused by Sexual Reproduction and Mutation.
  8. 12. When the last of a species dies.