Across
- 3. a well supported and testable explanation of a natural phenomena
- 4. The idea that living things need to fight for food, shelter, and space
- 5. The process by which modern organisms have descended from ancient organisms
- 7. scientist that made the theory of acquired traits
- 9. structures that multiple organisms have that are very similar because they were passed down by a common ancestor
- 10. any inherited trait that increases an organism's chance of survival
Down
- 1. the human interference of breeding where we select animals with the best traits to breed
- 2. the ability of an organism to survive and reproduce in its environment
- 6. The person that contributed the most to our understanding of evolution
- 8. The preserved remains of ancient organisms