Karissa Moore Ch. 16

5. _____ selection is when one end has a higher fitness or ability to survive
6. who disproved spontaneous generation?
9. who created the principles of geology
10. the ___ ____ theory is that organic molecules could have been formed from gases present in earth's early atmosphere
11. structures that are similar in function but not structure
13. scientists believe this was the first genetic coding system
14. Miller and ____ helped support the primordial soup theory
15. two sources of variation are gene shuffling and _____

1. this type of trait is controlled by 2 or more genes
2. _____ structures are structures within a creature that have no function
3. Thomas ____ said that if human population growth continued to rise there wouldn't be enough food for everyone
4. proposed the theory of evolution
6. ____ record can show us what time period organisms lived in
7. bodily structures look similar but are different in function
8. spontaneous generation is the idea that life arises from ____
12. who came up with the evolutionary hypothesis?