Evolution

1. type of evolution when the same adaptations evolve independently
3. when organisms disappear from the earth
7. when a species splits into a number of new forms
9. a change in the environment makes new resources available
10. is the process by which modern organisms have descended from ancient organisms
12. principle that states that living species are descended from ancient ones
16. organs that serve no useful function in an organism
17. the formation of new and distinct species in the course of evolution
19. had different shaped beaks depending on the island they were from
20. when two species evolve together
21. the name of Charles Darwin's book

2. Charles Darwin's theory of evolution states that evolution happens by what?
4. the name of the ship that Charles Darwin traveled on
5. father of evolution
6. that are similar
8. study of earth
11. refers to the variety of living things
13. required for new species to form
14. a characteristic that helps an organism survive
15. preserved remains of ancient organisms
18. a well-supported testable explanation of phenomena that have occurred in the natural world