Download Practice Evolution Quiz TRUE-FALSE

Practice Evolution Quiz
TRUE-FALSE: Circle your response to the following statements
T
F 1. Based on DNA homology, chimpanzees are more closely related to gorillas than to humans.
T
F 2. Species are related to one another, if they occur in similar habitats.
T
F 3. The only way that two populations can assure their integrity as distinct biological species is by
T
F 4. The ostrich and the emu look very similar and live in similar habitats; one is from Africa and the other is
reproductive isolation from one another.
from Australia. This is an example of sympatric speciation.
T
F 5. Natural selection is only one of several possible causes of evolution.
MULTIPLE CHOICE- Select the best answer
_____ 1. Members of the same species would be expected to:
_____ 2.
_____ 3.
_____ 4.
_____ 5.
A. have the same phenotype
C. both A and B
B. be at Hardy-Weinberg equilibrium
D. neither A or B
The smallest biological unit that can evolve is:
A. a population
D. an allele
B. a species
E. none of these
C. an individual organism
When would migration of new individuals into a population NOT affect Hardy-Weinberg Equilibrium?
A. when they mate randomly with their new populations
C. both A and B
B. when they bring no new mutations
D. neither A or B
The hypothesis that humans and chimpanzees are related is based on:
A. the position of the thumb to other fingers.
D. A and C
B. the arrangement of teeth.
E. A, B, and C
C. their DNA homology of over 98%
The presence of transitional forms in the fossil record would be predicted:
A. more expected in the gradual model than in the punctuation model.
B. more expected in the punctuation model than in the gradual model.
C. equally expected in both models.
D. expected in neither model.
_____ 6. What should you look for when considering whether structures from two kinds of organisms
are homologous?
A. The structures should have identical function in both organisms.
B. The structures should be in different positions on the bodies of the two organisms.
C. The structures should not appear in any close relatives of the organisms.
D. The structures should contain bones.
E. The structures should have similar anatomy in the two organisms.
_____ 7. The most important reason that one can see evolution in a population of mosquitoes
more easily than one can see evolution in a population of squirrels is because mosquitoes
A. have a shorter generation time.
B. have a higher mutation rate.
C. are exposed to toxic chemicals.
D. feed on blood.
E. lay eggs rather than bear live young.
_____ 8. According to the theory of common descent, each species on Earth today should
A. look very similar to all other species.
B. not have ancestors in common with members of other species.
C. have evolved separately from different ancestors.
D. have a single ancestor in common.
E. have DNA that is mostly unique from other species.
_____ 9. What should you look for when considering whether structures from two kinds of
organisms are homologous?
A. The structures should have identical function in both organisms.
B. The structures should be in different positions on the bodies of the two organisms.
C. The structures should not appear in any close relatives of the organisms.
D. The structures should contain bones.
E. The structures should have similar anatomy in the two organisms.
_____ 10. After a rapid change in climate, one species of bird quickly adapts to the change, but
others in the area do not. What could you conclude about the quickly adapting species?
A. They had a greater need to evolve than the other species.
B. They already had some alleles in their genome that were adaptive in the new environment.
C. They reproduced more slowly than the non-adapting species.
D. They pass more of their DNA to their offspring than the slowly adapting species.
E. They have a higher rate of mutation than the other species.
_____ 11. Which one of the following shows the steps of speciation in the correct order?
A. evolutionary changes, geographic isolation, reproductive isolation
B. genetic incompatibility, geographic isolation, evolutionary changes
C. geographic isolation, evolutionary changes, reproductive isolation
D. reproductive isolation, genetic incompatibility, geographic isolation
E. temporal isolation, evolutionary changes, geographic isolation
_____ 12. When geographic isolation occurs, under what conditions might you expect the most
rapid speciation?
A. when there is similarity in the food supply in both locations
B. when one of the two groups becomes extinct
C. when the species has a long generation time
D. when mutations create some new alleles in each group
E. none of these
_____ 13. A small founder population of turtles has established a population on an island with a
varied and good habitat. There is very little competition between members. What is the likely
effect on evolution of this low level of competition?
A. The population will remain very stable in size, and it won't evolve much.
B. The population will grow in size but won't change much.
C. The population will grow in size, and many variants will coexist.
D. Genetic drift will eliminate most of the population.
_____ 14. One species of plant produces flowers when nights are 10 hours long. A related
species comes into flower when nights are 9 hours long. This is an example of
A. gamete incompatibility.
B. temporal isolation.
C. mechanical isolation.
D. behavioral isolation.
E. special isolation.
_____ 15. The phrase "survival of the fittest" is somewhat misleading because
A. it implies that the best possible organism will evolve.
B. it implies that organisms will always grow bigger and more complex.
C. it implies that there's random generation of variation.
D. it implies that humans are the proper end result of evolution.
E. it implies there's no goal in evolution.
Match the evolutionary process to its description
_____ 1. species arise when the bacteria, Wolbachia,
infects an insect population.
A. sympatric speciation
B. allopatric speciation
_____ 2. species arise when a river changes course
splitting a population.
C. dispersive selection
_____ 3. species arise within a common geographical
area
D. directional selection
_____ 4. species arise when a new disease kills 40% of
the population.
Match the term to its best definition
_____ 5. Gene pool
_____ 6. Founder effect
_____ 7. Genetic drift
A.
B.
C.
D.
E. none of these
migration of alleles in or out of a population.
random change in allele frequencies in a small population
all the genes of all the individuals in a population
none of these
ANSWERS TO SOME
TRUE-FALSE: 1. F
3. F
MULTIPLE CHOICE 2. A
MATCHING 2. B
4. D
5. T
4. C
6. D
6. E
8. D
10. B
12. E
14. B