Revolution

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Across
  1. 4. refers to the variety of living things?
  2. 5. the study of the earth
  3. 6. change over time
  4. 8. well supported testible explanation
  5. 9. naked seed plants
  6. 13. produce seeds in fruit
  7. 14. theory of tendency toward perfection
  8. 16. derive his theories on evolution and natural selection
  9. 17. variation of differences among individuals of a species
  10. 18. the formation of new and distinct species in the course of evolution
  11. 20. 1795 theory of geological change
Down
  1. 1. a policy of gradual reform rather than sudden change or revolution
  2. 2. survivval of some individuals better suited for the environment
  3. 3. organs that serve no useful function in an organism
  4. 7. were derived from common ancestors
  5. 10. remains of ancient organism
  6. 11. structures that are similar
  7. 12. is the science of describing ,naming,and classifying species
  8. 15. father of evolution
  9. 19. algae share many molecular features with plants