Evolution and inheritance

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Across
  1. 6. the young of a living organism
  2. 8. the death of all living members of a species
Down
  1. 1. the differences between organisms of the same species
  2. 2. the process by which characteristics are passed down to offspring from their parent(s)
  3. 3. a feature or trait of an organism
  4. 4. A scientist who developed the theory of evolution by natural selection
  5. 5. a living thing from which another living thing is descended
  6. 7. the preserved remains or impression of a prehistoric living thing embedded in rock