1. When a farmer breeds only his or her best livestock, the process is called
a. natural selection
c. artificial variation
b. selective breeding
d. survival of the fittest
2. An adaptation is an inherited characteristic that can be
a. physical or behavioral
c. the result of artificial selection
b. physical or geographical
d. acquired within a lifetime
3. Darwin called an organisms ability to survive and reproduce in its environment
a. diversity
b. adaptation
c. fitness
4. Which of the following forces did not help shape the Earth in the past?
a. erosion
c. volcanos
b. hurricanes
d. earthquakes
5. The economist Thomas Malthus suggested that
a. people die faster than they are born
d. evolution
b. there would soon be not enough food to feed the human population
c. the majority of a species offspring would die
d. all of the above
6. Darwin's theory of evolution suggests that
a. species change over time
b. extinct species are not related to living species
c. different species can interbreed
d. animals that look alike are the most closely related
7. On the Galapagos islands, Charles Darwin observed
a. completely unrelated species on each of the islands
b. species exactly like those found in South America
c. similar species with traits that are suited for their particular environment
d. species completely unrelated to those found in South America
8. Lamarck proposed that organisms
a. can pass on traits that are acquired later in life
b. have a tendency to become more simple over time
c. can only pass on the traits that they are born
with
d. belong to species that never change
9. The idea that there are differences among individual of a species is called
a. Natural Selection
c. Natural Variation
b. Artificial Selection
d. Artificial Variation