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Evolution
Evolution
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1
A vestigial structure in one organism can be defined as a reduced form of a functional structure in another organism.
True
False
2
Any change in the allelic frequencies in a population that is due to chance is called:
genetic drift
natural selection
embryology
mutations
3
Which of the following is most likely a vestigial structure?
The beak of a finch
Flower color
A fossil of a snail
Human’s wisdom teeth
4
Punctuated equilibrium and gradualism are two models that describe the _______ of speciation.
craziness
movement
rate
cause
5
A population diverges and becomes reproductively isolated. This decribes the phenomenon __________.
psychology
speciation
sexual selection
bottleneck
6
Which of the following is biochemical evidence for evolution?
Human hemoglobin is different than mouse hemoglobin
Embryonic human hemoglobin is different from adult human hemoglobin.
Hemoglobin in humans can vary between different individuals.
Human hemoglobin is more similar to chimp hemoglobin than mouse hemoglobin.
7
A mutation is a random change in
genetic predisposition
independent assortment
reproduction capabilities
genetic material
8
The process of directed breeding to produce offspring with desirable traits is natural selection.
False
True
9
There is an involvement of natural disasters in Founders Effect
True
False
10
Which combination of characteristics in a population would provide the greatest potential for evolutionary change?
small population, few mutations
large population, many mutations
large population, few mutations
small population, many mutations
11
Which of the following is a correct statement about the relationship between natural selection and evolution?
Natural selection is one mechanism of evolution.
Natural selection includes evolution as a part of it.
Natural selection and evolution are the same thing.
Natural selection results from evolution.
12
Gradualism and punctuated equilibrium are similar models of evolution.
True
False
13
What pair is an example of convergent evolution?
Bees & Flowers
Dolphins & Fish
Medium Ground Finch & Large Ground Finch
Hosts & Parasites
14
Populations of the same species living in different places
Are genetically identical to each other
Do not vary
Become different as each population becomes adapted to its own environment.
Always show balancing selection
15
Superficially similar features molded by natural selection in very different species are classified as
homologous
comparative
vestigial
analogous
16
Inbreeding in a population leads to individuals that are _____________________ for many traits.
really messed up in general
dominant
homozygous
heterozygous
17
Which term best describes the structures shown below
analogous
heterologous
homologous
vestigial
18
The data obtained from our hand lab showed what kind of selection:
Stabilizing Selection
Directional Selection
Disruptive Selection
Artificial Selection
19
Evidence that evolution occurs includes all of the following except
Similarities + differences in proteins and DNA sequences between organisms
Acquired characteristics during an organism's life.
The Fossil Record
Comparing embryos among different organisms
20
The process that occurs when a species evolves into a new species without a physical barrier separating populations?
allopatric speciation
adaptive radiation
coevolution
sympatric speciation
21
Occurs when a population declines to a very low number and then rebounds
the founder effect
mutations
bottleneck
natural selection
22
Darwin drew ideas for his theory from observations of organisms on
The Samoan Islands
The Hawaiian Islands
The Galápagos Islands
Manhattan Island
23
Analogous structures indicate a shared ancestry, while homologous structures do not.
True
False
24
What does evolution mean in biology?
Change in ecosystems over time
Change in individuals over time
Change in species over time
Change in theories over time
25
What type of adaptation is a walking stick bug using?
homologous structure
mimicry
artificial selection
camouflage
26
Biogeography is the study of why certain species live in certain areas.
False
True
