Name: Class: Date:
Chap 01 3e
Indicate the answer choice that best completes the statement or answers the question.
1. Biologist Theodosius Dobzhansky wrote an essay in 1973 entitled "Nothing in ______ Makes Sense Except
in the Light of ______."
a. Evolution; Biology
b. Biology; Phylogenetics
c. Biology; Evolution
d. Genetics; Biology
2. What type of virus is the influenza virus?
a. an enveloped RNA virus
b. a non-enveloped RNA virus
c. an enveloped DNA virus
d. a non-enveloped DNA virus
3. In the context of epidemiology, what does it mean to describe the world as "smaller"?
a. The size of Earth has been shrinking since it formed 4.56 billion years ago.
b. The size of the world's population is larger than Earth can sustain.
c. Humans can travel from continent to continent within hours or days.
d. The continents are shifting in a way to make the land on Earth smaller.
4. From examining the fossil record, scientists have postulated that long-term historic changes in cetacean
diversity depended on
a. changes in the abundance of diatoms, one of their main food sources.
b. changes in the abundance of diatoms, which serve as food for animals that were preyed upon by
cetaceans.
c. changes in sea temperature.
d. rising pollution levels in the ocean.
e. changes in the abundance of organisms that prey on cetaceans.
5. Which of the following would explain why viruses such as influenza evolve so rapidly?
a. They have a high mutation rate.
b. They have a high replication rate.
c. They can undergo viral reassortment.
d. None of the given choices are correct.
e. All the given choices are correct.
. Page 1
,Name: Class: Date:
Chap 01 3e
6. Which of the following is not an example of an organism's phenotype?
a. a plant gall produced by gall flies
b. the waving behavior of fiddler crabs
c. a heterozygote that has one dominant and one recessive allele
d. the open circulatory system in a beetle
7. Drawing on your knowledge of evolution, why is treatment and/or vaccination against viruses particularly
difficult?
a. Their high replication rate increases the probability of beneficial mutations.
b. Their high mutation rate increases the probability of beneficial mutations.
c. Viral reassortment increases the pathogenicity of viruses.
d. Their high replication rate increases the probability of beneficial mutations and their high mutation rate
increases the probability of beneficial mutations.
e. Their high replication rate increases the probability of beneficial mutations, their high mutation rate
increases the probability of beneficial mutations, and viral reassortment increases the pathogenicity of
viruses.
8. Evolution occurs when
a. individuals in a population change in response to the environment.
b. the average value of trait in a population changes from one generation to the next.
c. individuals in a population change in response to the environment and the average value of trait in a
population changes from one generation to the next.
d. None of the given choices are correct.
9. What types of mutations are possible in viruses?
a. beneficial
b. neutral
c. harmful
d. All the given choices are correct.
e. None of the given choices are correct.
10. Which of the following is not a homology?
a. the fluke of a whale and the tail fin of a tuna
b. the mammary glands of a whale and of a platypus
c. the ectotympanic of a human and the ectotympanic of a whale
d. the lack of hind limbs in whales and dolphins
. Page 2
,Name: Class: Date:
Chap 01 3e
11. Viral reassortment
a. can make a strain of virus especially deadly within a host population.
b. is a way for viruses to swap genes.
c. is only possible for viruses that infect the same host species.
d. All the given choices are correct.
e. can make a strain of virus especially deadly within a host population and is a way for viruses to swap
genes.
12. Which of the following may result in evolutionary change in a population?
a. genetic drift
b. natural selection
c. mutation
d. All the given choices are correct.
e. natural selection and mutation
13. New mutations
a. are random with respect to their effects on fitness.
b. are necessary for natural selection to cause evolutionary change.
c. are rare in a population.
d. All the given choices are correct.
e. are random with respect to their effects on fitness and are necessary for natural selection to cause
evolutionary change.
. Page 3
, Name: Class: Date:
Chap 01 3e
14. Given the phylogeny of extant and extinct cetaceans below, which of the following conclusions is correct?
a. The hippopotamus belongs to the cetacean group.
b. The traits present in modern cetaceans appeared quickly and de novo.
c. All living cetaceans have completely lost their hind feet.
d. The hippopotamus belongs to the cetacean group and all living cetaceans have completely lost their
hind feet.
e. None of the given choices are correct.
. Page 4
Chap 01 3e
Indicate the answer choice that best completes the statement or answers the question.
1. Biologist Theodosius Dobzhansky wrote an essay in 1973 entitled "Nothing in ______ Makes Sense Except
in the Light of ______."
a. Evolution; Biology
b. Biology; Phylogenetics
c. Biology; Evolution
d. Genetics; Biology
2. What type of virus is the influenza virus?
a. an enveloped RNA virus
b. a non-enveloped RNA virus
c. an enveloped DNA virus
d. a non-enveloped DNA virus
3. In the context of epidemiology, what does it mean to describe the world as "smaller"?
a. The size of Earth has been shrinking since it formed 4.56 billion years ago.
b. The size of the world's population is larger than Earth can sustain.
c. Humans can travel from continent to continent within hours or days.
d. The continents are shifting in a way to make the land on Earth smaller.
4. From examining the fossil record, scientists have postulated that long-term historic changes in cetacean
diversity depended on
a. changes in the abundance of diatoms, one of their main food sources.
b. changes in the abundance of diatoms, which serve as food for animals that were preyed upon by
cetaceans.
c. changes in sea temperature.
d. rising pollution levels in the ocean.
e. changes in the abundance of organisms that prey on cetaceans.
5. Which of the following would explain why viruses such as influenza evolve so rapidly?
a. They have a high mutation rate.
b. They have a high replication rate.
c. They can undergo viral reassortment.
d. None of the given choices are correct.
e. All the given choices are correct.
. Page 1
,Name: Class: Date:
Chap 01 3e
6. Which of the following is not an example of an organism's phenotype?
a. a plant gall produced by gall flies
b. the waving behavior of fiddler crabs
c. a heterozygote that has one dominant and one recessive allele
d. the open circulatory system in a beetle
7. Drawing on your knowledge of evolution, why is treatment and/or vaccination against viruses particularly
difficult?
a. Their high replication rate increases the probability of beneficial mutations.
b. Their high mutation rate increases the probability of beneficial mutations.
c. Viral reassortment increases the pathogenicity of viruses.
d. Their high replication rate increases the probability of beneficial mutations and their high mutation rate
increases the probability of beneficial mutations.
e. Their high replication rate increases the probability of beneficial mutations, their high mutation rate
increases the probability of beneficial mutations, and viral reassortment increases the pathogenicity of
viruses.
8. Evolution occurs when
a. individuals in a population change in response to the environment.
b. the average value of trait in a population changes from one generation to the next.
c. individuals in a population change in response to the environment and the average value of trait in a
population changes from one generation to the next.
d. None of the given choices are correct.
9. What types of mutations are possible in viruses?
a. beneficial
b. neutral
c. harmful
d. All the given choices are correct.
e. None of the given choices are correct.
10. Which of the following is not a homology?
a. the fluke of a whale and the tail fin of a tuna
b. the mammary glands of a whale and of a platypus
c. the ectotympanic of a human and the ectotympanic of a whale
d. the lack of hind limbs in whales and dolphins
. Page 2
,Name: Class: Date:
Chap 01 3e
11. Viral reassortment
a. can make a strain of virus especially deadly within a host population.
b. is a way for viruses to swap genes.
c. is only possible for viruses that infect the same host species.
d. All the given choices are correct.
e. can make a strain of virus especially deadly within a host population and is a way for viruses to swap
genes.
12. Which of the following may result in evolutionary change in a population?
a. genetic drift
b. natural selection
c. mutation
d. All the given choices are correct.
e. natural selection and mutation
13. New mutations
a. are random with respect to their effects on fitness.
b. are necessary for natural selection to cause evolutionary change.
c. are rare in a population.
d. All the given choices are correct.
e. are random with respect to their effects on fitness and are necessary for natural selection to cause
evolutionary change.
. Page 3
, Name: Class: Date:
Chap 01 3e
14. Given the phylogeny of extant and extinct cetaceans below, which of the following conclusions is correct?
a. The hippopotamus belongs to the cetacean group.
b. The traits present in modern cetaceans appeared quickly and de novo.
c. All living cetaceans have completely lost their hind feet.
d. The hippopotamus belongs to the cetacean group and all living cetaceans have completely lost their
hind feet.
e. None of the given choices are correct.
. Page 4
