Some Words of Evolution

2. the study of the earth
4. refers to the variety of living things
6. a group of related organisms able to reproduce.
9. change over time
11. structures of similar logic
13. Survival of the _____, where an organism's behavior and form help it survive.
14. adaptive ______ is when one species evolves into many.
15. ability of a trait to be passed to the next generation.
16. when organisms disappear from the earth

1. structures that have no current function
3. a characteristic change that helps an organism survive
5. differences among individuals in a population.
6. Natural ______ is the process by which evolution occurs.
7. principle stating that all living species contain changes from their parents; descent with _______.
8. Who proposed the theory of evolution by natural selection
10. preserved remains of ancient organisms.
12. formation of new species