Download Bio 102 Practice Quiz 1

Bio 102 Practice Quiz 1
Spring 2007
Name _______________________
Date ________________________
True/ False (A=True, B=False)
1. Prior to the publication of Darwin's On the Origin of Species most people believed that species were created and
unchanging over time.
2. Darwin was one of many scientists who proposed natural selection as the mechanism of evolution.
Multiple Choice
3. Profound changes, such as major episodes of extinction are an example of_______________.
A) punctuated equilibrium.
B) macroevolution.
C) microevolution.
D) selective stabilization.
E) directional stabilization.
4. The study of how organisms live in their environment is called
A) geology
B) ecology
C) biology
D) astronomy
5. What was especially profound about the different beak types Darwin observed in his "finches" was that
A) they allowed each bird to successfully inhabit several niches on the island.
B) each beak type was seen on only one island.
C) the beak type changed over the life time of each bird.
D) this incredible diversity occurred in a closely related group of birds.
E) no other life form Darwin found on his journey showed such striking resemblance to mainland organisms.
6. Which of the following helped convince Darwin in the evolution of species?
A) the fossil record
B) patterns of life he observed on the voyage of the Beagle
C) biblical writings
D) all of the above helped to convince Darwin in the evolution of species.
E) only a and b helped to convince Darwin in the evolution of species.
7. Evolution
A) has occurred only in the past 150 million years.
B) involves a progression of changes that took place over long periods of time
C) occurs more often in plant species than in animals.
D) is no longer possible.
E) always results in species adapted for the current environment
8. The beak shape of Darwin's finches was influenced by the:
A) number of offspring produced in a given year.
B) carrying capacity of the environment.
C) response to the nature of the food supply.
D) effects of artificial selection by the island's inhabitants.
E) predators preying on a particular species of bird.
9. Which type of selection acts to eliminate both extremes of phenotypes?
A) stabilizing
B) disruptive
C) directional
D) migration
10. The males of two species of birds use different mating dances to attract their mates. This is an example
of_____________ isolation.
A) postzygotic
B) behavioral
C) ecological
D) hybrid incompatibility
E) hybrid breakdown