EVOLUTION

2. change over time.
5. Principles of Geography
7. wrote an essay summarizing evolutionary change from his field work in Malaysia.
9. members of each species have to compete for food, shelter, other life necessities.
11. have different mature forms in different organisms.
12. Some individuals better suited for the environment.
14. nature provides the variation among different organisms.
17. one of the fundamental keystones of modern biological theory.
18. results in changes in inherited characteristics of a population.
19. 1795 Theory of Geological change
20. a science born in the 20th century, reveals in detail how natural selection works.

1. serve no useful function in an organism.
3. smallest, lowest islands were hot, dry, and nearly barren-Hood Island-sparse vegetation.
4. collected the preserved remains of ancient organisms, called fossils.
6. tendency toward Perfection.
8. Each living organism has descended, with changes from other species over time.
10. differences among individuals of a species.
13. show change Geographic Distribution of Living Things.
15. were derived from common ancestors.
16. remains of ancient organisms.