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BIO 182 FINAL Exam ACTUAL EXAM A & B ALL
QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
BIO 182 FINAL Exam A
QUESTION: The theory of evolution is most accurately described as
a. an opinion that some scientists hold about how living things change over time.
b. an idea about how acquired characteristics are passed on to subsequent generations.
c. one possible explanation, among several scientific alternatives, about how species have come
into existence.
d. an educated guess about how species originate. - ANSWER-a. an opinion that some scientists
hold about how living things change over time.
QUESTION: What is thought to be the correct sequence of these events, from earliest to most
recent, in the evolution of life on Earth?
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1. origin of mitochondria
2. origin of multicellular eukaryotes
3. origin of chloroplasts
4. origin of cyanobacteria5. origin of fungal-plant symbioses - ANSWER-4,1,3,2,5
QUESTION: If organisms A, B, and C belong to the same class but to different orders and if
organisms D, E, and F belong to the same order but to different families, which of the following
pairs of organisms would be expected to show the greatest degree of structural homology?
Question options:
a. A and B
b. D and F
c. B and D
d. C and F
e. A and C - ANSWER-b. D and F
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QUESTION: Why is the fossil record incomplete ? ( list at least 3 reasons) - ANSWER-1. Because
not all organisms have been fossilized yet
2. Not all organisms have been found
3. The organism has to had lives for a long time in order to be able to become fossilized
QUESTION: Fossil evidence indicates that horses have gradually increased in size over geologic
time. Which of the following terms best describes this?
Question options:
a. sexual selection
b. artificial selection
c. disruptive selection
d. stabilizing selection
e. directional selection - ANSWER-e. directional selection
In peas, a gene controls flower color such that R = purple is dominant to r= white. In an isolated
pea patch, there are 36 purple-flowering plants and 64 white-flowering plants. Assuming Hardy-
Weinberg equilibrium, what is the value of q(frequency of r) for this population?
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a. 0.64
b. 0.36
c. 0.60
d. 0.75
e. 0.8 - ANSWER-e. 0.8
QUESTION: It has been observed that organisms on islands are different from, but closely
related to, similar forms found on the nearest continent. This is taken as evidence that
a. island forms and mainland forms have identical gene pools.
b. common environments are inhabited by the same organisms.
c. the island forms and mainland forms are converging.
d. island forms and mainland forms descended from common ancestors.
d. the islands were originally part of the continent. - ANSWER-d. island forms and mainland
forms descended from common ancestors.
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BIO 182 FINAL Exam ACTUAL EXAM A & B ALL
QUESTIONS AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
BIO 182 FINAL Exam A
QUESTION: The theory of evolution is most accurately described as
a. an opinion that some scientists hold about how living things change over time.
b. an idea about how acquired characteristics are passed on to subsequent generations.
c. one possible explanation, among several scientific alternatives, about how species have come
into existence.
d. an educated guess about how species originate. - ANSWER-a. an opinion that some scientists
hold about how living things change over time.
QUESTION: What is thought to be the correct sequence of these events, from earliest to most
recent, in the evolution of life on Earth?
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, Page 2 of 116
1. origin of mitochondria
2. origin of multicellular eukaryotes
3. origin of chloroplasts
4. origin of cyanobacteria5. origin of fungal-plant symbioses - ANSWER-4,1,3,2,5
QUESTION: If organisms A, B, and C belong to the same class but to different orders and if
organisms D, E, and F belong to the same order but to different families, which of the following
pairs of organisms would be expected to show the greatest degree of structural homology?
Question options:
a. A and B
b. D and F
c. B and D
d. C and F
e. A and C - ANSWER-b. D and F
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QUESTION: Why is the fossil record incomplete ? ( list at least 3 reasons) - ANSWER-1. Because
not all organisms have been fossilized yet
2. Not all organisms have been found
3. The organism has to had lives for a long time in order to be able to become fossilized
QUESTION: Fossil evidence indicates that horses have gradually increased in size over geologic
time. Which of the following terms best describes this?
Question options:
a. sexual selection
b. artificial selection
c. disruptive selection
d. stabilizing selection
e. directional selection - ANSWER-e. directional selection
In peas, a gene controls flower color such that R = purple is dominant to r= white. In an isolated
pea patch, there are 36 purple-flowering plants and 64 white-flowering plants. Assuming Hardy-
Weinberg equilibrium, what is the value of q(frequency of r) for this population?
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a. 0.64
b. 0.36
c. 0.60
d. 0.75
e. 0.8 - ANSWER-e. 0.8
QUESTION: It has been observed that organisms on islands are different from, but closely
related to, similar forms found on the nearest continent. This is taken as evidence that
a. island forms and mainland forms have identical gene pools.
b. common environments are inhabited by the same organisms.
c. the island forms and mainland forms are converging.
d. island forms and mainland forms descended from common ancestors.
d. the islands were originally part of the continent. - ANSWER-d. island forms and mainland
forms descended from common ancestors.
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