Evolution

4. type of evolution when the same adaptations evolve independently, under similar selection pressures
5. when two species evolve together
8. Darwin collected the preserved remains of ancient organisms, called ______
10. had different shaped beaks depending on the island they were from
11. when organisms disappear from the earth
12. when a species splits into a number of new forms when a change in the environment makes new resources available or creates new environmental challenges.
14. father of evolution
15. a well-supported testable explanation of phenomena that have occurred in the natural world
17. is the process by which modern organisms have descended from ancient organisms
18. the name of Darwin's book; the _____ of species
20. the name of the ship that Charles Darwin traveled on

1. a characteristic that helps an organism survive
2. structures that are similar
3. refers to the variety of living things
6. Charles Darwin’s theory of evolution states that evolution happens by what?
7. principle that states that living species are descended from ancient ones; descended with ____________
9. the formation of new and distinct species in the course of evolution
13. required for new species to form
16. organs that serve no useful function in an organism
19. study of the earth