Bio 141 Final Exam 2026 | All Questions
and Correct Answers | Verified Answers
| Graded A+ | Newest Exam
Biological evolution occurs in ____ when specific processes cause genomes of
organisms to differ from their ancestors
a. individuals
b. populations
c. communities
d. phenotypes
e. sub-species ---------CORRECT ANSWER-----------------b. populations
All biological research is undertaken with the explicit or implicit recognition that
____.
a. Charles Darwin's view of evolution put forth in The Origin is without error
b. all forms of life are related and have evolved from ancestral forms
c. all species share the same common ancestor
d. the products of evolution are easily predicted
e. the theory of evolution can be ignored unless the research is explicitly
examining
evolutionary process ---------CORRECT ANSWER-----------------b. all forms of life are
related and have evolved from ancestral forms
,Which of the following branches of biology examines the form and variety of
organisms in their natural environment?
a. Taxonomy
b. Natural history
c. Comparative morphology
d. Biogeography
e. Geology ---------CORRECT ANSWER-----------------b. Natural history
Homologous structures were "discovered" by findings that indicated that ____.
a. species on different continents were not similar in form
b. different geological layers held different kinds of fossils
c. structures of similar form and position occurred in animals of markedly
different size,
shape, and lifestyle
d. some structures found in animals are apparently useless
e. some kinds of animals had apparently gone extinct ---------CORRECT ANSWER----
-------------c. structures of similar form and position occurred in animals of
markedly different size,
shape, and lifestyle
Structures in an organism that are reduced in size, complexity or strength
compared to related organisms and have no current function are called
a. homologous
,b. vestigial
c. mutualistic d. fossil
e. convergent ---------CORRECT ANSWER-----------------b. vestigial
The reason Darwin sailed aboard the H.M.S. Beagle was because he ____.
a. wanted to develop his theory of evolution
b. was invited to be the ship's naturalist
c. was invited to be the ship's geologist
d. was invited to be the captain's dining companion
e. was invited to be the captain's personal physician ---------CORRECT ANSWER-----
------------d. was invited to be the captain's dining companion
Which of the following observations did not influence Darwin's later thoughts
about evolution?
a. The discovery of fossils that resembled extant organisms in the same region.
b. The observation that animals from similar habitats in South America and
Europe were
very different.
c. A great variety of species exist across the globe.
d. Species on islands differed from species on the mainland closest to the island.
e. North American and South American species were more similar to each other
than
European and African species. ---------CORRECT ANSWER-----------------e. North
American and South American species were more similar to each other than
, European and African species.
Thomas Malthus' influence on Darwin can best be characterized by which of the
following?
a. Darwin was convinced artificial selection could work in nature.
b. Darwin realized species typically produce many more offspring than are needed
to
replace the parent generation.
c. Darwin was convinced the fate of humanity was dependent on artificial
selection.
d. Darwin was convinced the fate of humanity was dependent on natural
selection.
e. Darwin was convinced to publish his ideas about natural selection ---------
CORRECT ANSWER-----------------b. Darwin realized species typically produce many
more offspring than are needed to
replace the parent generation.
What was the major stumbling block for the acceptance of natural selection as a
mechanism for evolution when proposed by Darwin?
a. strong evidence for inheritance of acquired traits
b. lack of a fossil record
c. lack of a plausible theory of heredity
d. lack of evidence for artificial selection
e. lack of observational and experimental data ---------CORRECT ANSWER-------------
----c. lack of a plausible theory of heredity
and Correct Answers | Verified Answers
| Graded A+ | Newest Exam
Biological evolution occurs in ____ when specific processes cause genomes of
organisms to differ from their ancestors
a. individuals
b. populations
c. communities
d. phenotypes
e. sub-species ---------CORRECT ANSWER-----------------b. populations
All biological research is undertaken with the explicit or implicit recognition that
____.
a. Charles Darwin's view of evolution put forth in The Origin is without error
b. all forms of life are related and have evolved from ancestral forms
c. all species share the same common ancestor
d. the products of evolution are easily predicted
e. the theory of evolution can be ignored unless the research is explicitly
examining
evolutionary process ---------CORRECT ANSWER-----------------b. all forms of life are
related and have evolved from ancestral forms
,Which of the following branches of biology examines the form and variety of
organisms in their natural environment?
a. Taxonomy
b. Natural history
c. Comparative morphology
d. Biogeography
e. Geology ---------CORRECT ANSWER-----------------b. Natural history
Homologous structures were "discovered" by findings that indicated that ____.
a. species on different continents were not similar in form
b. different geological layers held different kinds of fossils
c. structures of similar form and position occurred in animals of markedly
different size,
shape, and lifestyle
d. some structures found in animals are apparently useless
e. some kinds of animals had apparently gone extinct ---------CORRECT ANSWER----
-------------c. structures of similar form and position occurred in animals of
markedly different size,
shape, and lifestyle
Structures in an organism that are reduced in size, complexity or strength
compared to related organisms and have no current function are called
a. homologous
,b. vestigial
c. mutualistic d. fossil
e. convergent ---------CORRECT ANSWER-----------------b. vestigial
The reason Darwin sailed aboard the H.M.S. Beagle was because he ____.
a. wanted to develop his theory of evolution
b. was invited to be the ship's naturalist
c. was invited to be the ship's geologist
d. was invited to be the captain's dining companion
e. was invited to be the captain's personal physician ---------CORRECT ANSWER-----
------------d. was invited to be the captain's dining companion
Which of the following observations did not influence Darwin's later thoughts
about evolution?
a. The discovery of fossils that resembled extant organisms in the same region.
b. The observation that animals from similar habitats in South America and
Europe were
very different.
c. A great variety of species exist across the globe.
d. Species on islands differed from species on the mainland closest to the island.
e. North American and South American species were more similar to each other
than
European and African species. ---------CORRECT ANSWER-----------------e. North
American and South American species were more similar to each other than
, European and African species.
Thomas Malthus' influence on Darwin can best be characterized by which of the
following?
a. Darwin was convinced artificial selection could work in nature.
b. Darwin realized species typically produce many more offspring than are needed
to
replace the parent generation.
c. Darwin was convinced the fate of humanity was dependent on artificial
selection.
d. Darwin was convinced the fate of humanity was dependent on natural
selection.
e. Darwin was convinced to publish his ideas about natural selection ---------
CORRECT ANSWER-----------------b. Darwin realized species typically produce many
more offspring than are needed to
replace the parent generation.
What was the major stumbling block for the acceptance of natural selection as a
mechanism for evolution when proposed by Darwin?
a. strong evidence for inheritance of acquired traits
b. lack of a fossil record
c. lack of a plausible theory of heredity
d. lack of evidence for artificial selection
e. lack of observational and experimental data ---------CORRECT ANSWER-------------
----c. lack of a plausible theory of heredity
