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Evolution
Test Description: Practice Questions
Instructions: Answer all questions to get your test result.
1) What do you call a structure that serves no apparent useful function?
A
analogous structure
B
vestigial structure
C
homologous structure
D
biochemical structure
2) What do you call a structure that is similar in form to the structure of another organism, even if it has a different function? (Like bones in both a human arm and a bat wing)
A
biochemical structure
B
vestigial structure
C
homologous structure
D
analogous structure
3) When one organism is better adapted to its environment than another, it is more likely to survive and reproduce. What is this idea called?
A
speciation
B
natural selection
C
artificial selection
D
gradualism
4) What does evolution mean in biology?
A
change in species over time
B
change in ecosystems over time
C
change in theories over time
D
change in individuals over time
5) According to Darwin's view of natural selection, overproduction means producing
A
too many species in one area
B
too few organisms to enable all to survive
C
more food than is needed by a population
D
more offspring than can survive
6) Studying how organisms develop would be used in this evidence of evolution
A
comparative anatomy
B
DNA
C
embryology
D
fossil record
7) Horse ancestors had a smaller body and shorter legs. What evidence might scientist have used to come to that conclusion that horses have changed over time.
A
fossil record
B
comparative anatomy
C
embryology
D
DNA
8) The species changed in each successive rock layer. Is an example of this evidence for evolution
A
DNA
B
embryology
C
comparative anatomy
D
fossil record
9) What are homologous structures in different species evidence of?
A
similar adaptations to their environments
B
natural selection against a trait
C
inheritance of acquired characteristics
D
a common ancestor
10) An adaptation is a trait that helps an organism…
A
survive and reproduce
B
fight better
C
overproduce variations
D
become larger and stronger
11) In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur are
A
examples of fossils
B
vestigial structures
C
examples of natural variation
D
acquired traits
12) The scientist who published the booh Origin of Species and proposed the theory of natural selection was
A
Rosalind Franklin
B
Watson and Crick
C
Gregor Mendel
D
Charles Darwin
13) Certain antibiotics become useless over time because
A
bacteria are artificially selected to resist drugs
B
bacteria evolve resistance to the drugs
C
bacteria maintain stable allele frequencies
D
antibiotics evolve to lose their potency
14) According to an evolutionary tree, which organisms share the most recent common ancestry?
A
Organisms don't have common ancestors.
B
the ones furthest apart
C
the ones that have at least two organisms between them
D
the ones that are next to each other
15) Which of the following statements about Charles Darwin is true?
A
b) He invented natural selection.
B
c) both A and B
C
a) He explained the mechanism that drives evolution.
D
d) none of the above
16) The similarities between the embryonic structures of different species can be used as evidence of
A
molecular sequencing
B
artificial selection
C
natural selection
D
comparative anatomy
17) How is artificial selection different from genetic engineering?
A
Artificial selection is used to make genetically identical copies of an organisms, cell, or piece of genetic material.
B
Artificial selection does not directly change a single organism's DNA.
C
Artificial selection is not an example of biotechnology.
D
Artificial selection is not related to genetics.
18) Scientists have produced a genetically engineered orange tree that is resistant to disease. Which of the following is the best example of a potential benefit to society that could result from this biotechnology?
A
reduction in orange crop yield
B
increase in orange crop yield
C
increase in the cost of orange crop
D
a change in the distribution of insects that pollinate orange flowers
19) Scientists must carefully weigh the risks and benefits of biotechnology. Which of these is a risk that scientists must consider when genetically engineering a plant?
A
whether the plant will cause allergic reaction to humans
B
whether the plant will grow well in different types of soil
C
whether the plant can be crossbred with other types of plants
D
what kinds of nutrients the plant will need
20) The human practice of breeding animals or plants that have certain desired traits.
A
artificial selection
B
none of the above
C
biotechnology
D
genetic engineering
*select an answer for all questions
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