Evolution

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Across
  1. 4. the science that studies living organisms.
  2. 6. Darwin
  3. 7. the amount or count in a certain areal of species.
  4. 8. part of DNA controlling physical characteristics and growth.
  5. 10. trait that helps an organism survive.
  6. 12. a carefully thought-out explanation of the natural world.
  7. 14. a living thing that can act or function independently
  8. 15. continued existence.
Down
  1. 1. a group of a type of organisms or animals.
  2. 2. the end of a species.
  3. 3. when a population becomes better suited to it's habitat.
  4. 5. something passes to a different stage.
  5. 9. a science on the development of an embryo.
  6. 11. traces of remains.
  7. 13. proof, hints, clues.