Match the term with its definition.
1. Scientific theory
3. Natural selection
10. Comparative anatomy
a. Variation in a group.
b. The process by which organisms with higher fitness provide more offspring than those with lower fitness.
c. A means of explaining reality; a framework that organizes facts.
d. The process by which changed traits accumulate over time, culminating in entirely new species.
e. The ability to survive and reproduce.
f. The process by which small changes result in a changed trait in a population over generations.
g. New species branch from existing lineages.
h. The study of similarities and differences between living organisms.
i. The study of the geographic distribution of living organisms.
j. A trait that improves fitness in a given environment.