Evolution

1. An idea of belief which is not based on scientific fact or a misunderstanding of the facts.
4. _______ is a trait that is neither a disadvantage or advantage in terms of survival or reproduction.
7. _______ provide evidence of a continental drift.
9. A British naturalist, renowned for his theories of evolution and natural selection
11. Competition for food, mates, space, water is a struggle for ________.
13. Organisms that are better adapted to their environment have a greater likelihood of surviving to adulthood and passing on these characteristics to their offspring is known as ____ of the fittest.
15. New species arise from common ancestors replacing less fit species.
17. A(n) _____ trait decreases a species fitness for its environment.

2. Theory that continents once formed a single landmass, broke up, and drifted to their present locations
3. The ability of an individual to survive and reproduce.
5. Descent with ________.
6. The variety of life in the world or in a particular habitat or ecosystem.
8. A ______ Theory is well tested and has evidence that incorporates facts.
10. An external force in the species environment that makes a trait more favorable than another trait is a ________ force.
12. A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits is called ____ selection.
14. The Origin of ____ was written in 1859 about how a species evolved over time.
16. Differences of traits within a population is a __________ of traits.