Diversity & Natural Selection

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Across
  1. 2. natural selection causes a change in species over time; this is called
  2. 5. islands off the coast of South America that is used for scientific studies of organisms
  3. 6. means "different"
  4. 10. the differences amongst living things
  5. 11. if a species is unable to adapt to its environment, it might...
  6. 12. the "outside" traits of an organism
  7. 13. the "inside" traits of an organism (hint: DNA is ____)
  8. 15. a physical trait on a finch that adapts to its food source
  9. 17. a single, living thing
  10. 19. Charles ______ studied how natural selection influences changes in species
  11. 20. living organisms containing one cell
  12. 21. a physical trait on a tortoise that adapts to its food source
Down
  1. 1. a "revolution" or large growth of factories in the 1700s in England
  2. 3. evidence of prehistoric species
  3. 4. a beneficial change in the traits of an organism
  4. 7. another way of saying a "variety"
  5. 8. a characteristic of an organism
  6. 9. changes in the population of this species based on the tree they lived on
  7. 14. domain of plants, animals, and fungi
  8. 16. genus and specie classifications create the ______ name for an organism
  9. 18. living organism containing more than one cell