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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
biochemical structure
B
vestigial structure
C
homologous structure
D
analogous 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
analogous structure
B
vestigial structure
C
homologous structure
D
biochemical 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
gradualism
B
speciation
C
natural selection
D
artificial selection
4) What does evolution mean in biology?
A
change in species over time
B
change in individuals over time
C
change in ecosystems over time
D
change in theories over time
5) According to Darwin's view of natural selection, overproduction means producing
A
more food than is needed by a population
B
too many species in one area
C
more offspring than can survive
D
too few organisms to enable all to survive
6) Studying how organisms develop would be used in this evidence of evolution
A
embryology
B
DNA
C
fossil record
D
comparative anatomy
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
comparative anatomy
B
fossil record
C
DNA
D
embryology
8) The species changed in each successive rock layer. Is an example of this evidence for evolution
A
comparative anatomy
B
DNA
C
fossil record
D
embryology
9) What are homologous structures in different species evidence of?
A
a common ancestor
B
natural selection against a trait
C
similar adaptations to their environments
D
inheritance of acquired characteristics
10) An adaptation is a trait that helps an organism…
A
overproduce variations
B
become larger and stronger
C
survive and reproduce
D
fight better
11) In humans, the pelvis and femur, or thigh bone, are involved in walking. In whales, the pelvis and femur are
A
examples of natural variation
B
acquired traits
C
examples of fossils
D
vestigial structures
12) The scientist who published the booh Origin of Species and proposed the theory of natural selection was
A
Rosalind Franklin
B
Charles Darwin
C
Watson and Crick
D
Gregor Mendel
13) Certain antibiotics become useless over time because
A
antibiotics evolve to lose their potency
B
bacteria are artificially selected to resist drugs
C
bacteria maintain stable allele frequencies
D
bacteria evolve resistance to the drugs
14) According to an evolutionary tree, which organisms share the most recent common ancestry?
A
the ones that have at least two organisms between them
B
the ones furthest apart
C
Organisms don't have common ancestors.
D
the ones that are next to each other
15) Which of the following statements about Charles Darwin is true?
A
d) none of the above
B
a) He explained the mechanism that drives evolution.
C
c) both A and B
D
b) He invented natural selection.
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 is not related to genetics.
C
Artificial selection does not directly change a single organism's DNA.
D
Artificial selection is not an example of biotechnology.
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
a change in the distribution of insects that pollinate orange flowers
B
increase in the cost of orange crop
C
increase in orange crop yield
D
reduction in orange crop yield
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
what kinds of nutrients the plant will need
B
whether the plant can be crossbred with other types of plants
C
whether the plant will grow well in different types of soil
D
whether the plant will cause allergic reaction to humans
20) The human practice of breeding animals or plants that have certain desired traits.
A
artificial selection
B
genetic engineering
C
biotechnology
D
none of the above
*select an answer for all questions
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