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Who suggested that giraffes developed their long necks over time by stretching?


A) Plato
B) Wallace
C) Darwin
D) Lamarck
E) Cuvier

F) C) and D)
G) C) and E)

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A bat's wing and a sheep's front leg are structures.

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If a woman learns to speak many languages, her children will inherit fluency in many languages.

A) True
B) False

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Assume it is possible to remove continuous cores of rock from Earth that are 3,000 feet long and contain fossils. What would the theory of evolution by natural selection predict about the fossils found in such cores as they are examined from top to bottom?


A) The number of fossils decreases from top to bottom, but the number of species increases.
B) Fossil species remain constant from top to bottom.
C) Lower fossils are more similar to living species than to higher fossils.
D) Higher fossils are more similar to living species than to lower fossils.
E) Fossil forms are arranged in random patterns.

F) B) and E)
G) C) and D)

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The amino acid sequences of human and chimpanzee hemoglobin are almost identical, yet they differ considerably from the sequence of the hemoglobin of dogs. This fact


A) opposes the theory of evolution.
B) supports the theory of evolution.
C) neither supports nor opposes the theory of evolution.

D) All of the above
E) B) and C)

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Dolphins (which are mammals) and sharks (which are fish) have stiff dorsal fins projecting from their backs that help them maneuver through water. These relationships of structures to each other are best described as


A) mutations.
B) analogous structures.
C) vestigial structures.
D) homologous structures.

E) All of the above
F) C) and D)

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Boa constrictors have tiny pelvic girdles and leg bones inside their bodies. Because these structures are nonfunctional "evolutionary baggage," they are called


A) vestigial.
B) convergent.
C) maladaptive.
D) homologous.
E) analogous.

F) A) and D)
G) B) and C)

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Fossils include rocks and sediments that


A) bear the impressions or shapes of preserved organisms.
B) have been shaped by wind and water to resemble lifelike forms.
C) have been shaped by people to resemble plants or animals.
D) all of the above.

E) All of the above
F) C) and D)

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Strong evidence for the common ancestry of all vertebrates is


A) they all evolved from fish.
B) the similarity of their embryological stages.
C) they all possess DNA.
D) they all have legs.
E) their means of reproduction.

F) B) and E)
G) None of the above

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Observations of a wide variety of vertebrate embryos suggest that


A) fish are unrelated to other vertebrates because they are the only vertebrates that develop gills.
B) all vertebrate species have similar genes for development.
C) fish, turtles, and mice are more closely related to one another than to either chickens or humans because they have substantial tails.
D) chickens and humans are closely related because they lack substantial tails.

E) A) and B)
F) A) and C)

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How does Lamarck's proposed method of evolution differ from Darwin's?

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Lamarck proposed that individuals adapte...

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The wings of insects and bats are structures.

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A population of grasshoppers in the Kansas prairie has two color types: green and brown. Typically, the prairie receives enough rainfall to maintain healthy, green grass. Assume a bird species that eats grasshoppers moves into the prairie. How will this affect the natural selection of the grasshoppers? How might this change in a drought year, when the grass turns brown?

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The brown phenotype may be more easily d...

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Which geologist described the age of the Earth as "eternal"?


A) Malthus
B) Buffon
C) Aristotle
D) Lamarck
E) Lyell

F) D) and E)
G) B) and C)

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The human upper arm bone (the humerus) is structurally similar to the upper wing bone of a bat. The structural similarity is an example of


A) analogous structures.
B) mutation.
C) vestigial structures.
D) homologous structures.
E) adaptation.

F) All of the above
G) A) and B)

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Who proposed the geological theory of catastrophism?


A) Plato
B) Darwin and Wallace
C) Lamarck
D) Darwin
E) Cuvier

F) C) and E)
G) None of the above

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Some of Darwin's most important discoveries were based on studies of birds and tortoises that he observed in


A) the Galápagos Islands.
B) Jamaica.
C) Tahiti.
D) Ecuador.
E) the Bahamas.

F) A) and B)
G) B) and C)

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