Natural Selection

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Across
  1. 2. Warm-blooded vertabrate
  2. 8. Scientist who studies nature
  3. 9. Groups of species living in the same area
  4. 10. Individuals are better adapted to the environment, survive and reproduce better than others
  5. 11. Trait that improves somethings ability to survive
  6. 12. Ship Charles Darwin sailed on for five years
  7. 14. Group of organisms
Down
  1. 1. Remains of an organism
  2. 3. Different populations become distinct species
  3. 4. Period between birth of generations
  4. 5. Species change over time
  5. 6. Historical sequence of life
  6. 7. Genetically determined characteristic
  7. 13. Particles of sand, dust, or soil