Peace and War

1. During his voyage around the world, Charles Darwin was inspired to think about evolution by

a) book that he read
b) fossils he collected
c) studying adaptations of organisms to their environment
d) unique organisms he saw in the Galtpagos islands
e) all of the above

3. Breeding of plants and animals by humans is called:
d) artificial selection

4. The smallest unit that can evolve is a:
d) population

6. Which are the following changes in the gene pool results in adaptation to the environment?
c) natural selection

7. The ultimate source of all genetic variation is:
f) Mutation

8. In evolutionary terms, an organism’s fitness is measure by its:
b) contribution to the gene pool of the nest generation

9. Animals that possess homologous structures probably:
b) evolved from the same ancestor

10. Sexual recombination occurs when chromosom...