Evidence for Evolution

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Across
  1. 3. the ship that Charles Darwin journeyed on.
  2. 5. remains or impression of a prehistoric organism preserved in petrified form.
  3. 6. A trait that helps an organism survive better in their environment
  4. 7. Variation needs to occur if natural selection is going to occur.
  5. 9. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
  6. 10. a class of things of the same kind and with the same name that can interbreed.
  7. 11. Structures that are similar in anatomy but different in function
  8. 12. The type of bird that helped Darwin come up with his theory of evolution
  9. 13. the father of evolution
Down
  1. 1. Structures that are different in anatomy but similar in function.
  2. 2. an organism's ability to survive and reproduce in its environment
  3. 4. Competition for survival needs to occur if natural selection is going to occur.
  4. 8. Individuals that are better suited for their environment, survive and reproduce, and pass on their better suited trait.