A) The marsupial anatomy is better adapted to the environments of Australia than is the anatomy of placental mammals.
B) The placental anatomy is better adapted to the environments of North and South America than is the anatomy of marsupial mammals.
C) When the continents separated from one another, marsupials on Australia did not have the placental competitors that were present in the Americas.
D) Marsupials out-competed the placental mammals in Australia.
E) Australian mammals have a different common ancestor than mammals elsewhere in the world.
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Multiple Choice
A) the variation in traits within the population.
B) reproductive success.
C) mutations that benefit an organism's survival.
D) the physical health of an individual.
E) the physical health of a population.
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True/False
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Multiple Choice
A) was created a few thousand years ago.
B) did not change over time.
C) was actually much younger than previously believed.
D) was undergoing slow and continuous cycles of erosion and uplift.
E) was undergoing different process today compared to what occurred in the past.
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Multiple Choice
A) adaptation
B) natural selection
C) biogeography
D) artificial selection
E) speciation
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Multiple Choice
A) natural selection
B) speciation
C) adaptation
D) biogeography
E) artificial selection
Correct Answer
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Multiple Choice
A) Organisms always evolve the characteristics they need to survive.
B) Some individuals within the population must die for natural selection to occur.
C) Darwin used molecular biology as evidence of evolution.
D) Natural selection can only work on variation that already exists.
E) Convergent evolution produces homologous structures.
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Multiple Choice
A) Both supported the ideas of Cuvier.
B) Both were familiar with the writings of Lyell.
C) Both traveled the world and collected specimens for museums in England.
D) Both were naturalists
E) Both collected specimens from islands in the Malayan Archipelago.
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Multiple Choice
A) develop the theory of evolution.
B) observe natural selection in action.
C) gather data on geologic processes from around the world.
D) describe as many different new species as possible.
E) expand the Navy's knowledge of natural resources around the world.
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Multiple Choice
A) Malthus described the reproduction of elephants to Darwin.
B) Malthus explained how variation was maintained within populations.
C) Malthus illustrated that some individuals possessed favorable traits while others did not.
D) Malthus wrote a detailed history of artificial selection examples.
E) Malthus showed how the human population grows faster than the food supply and that death and famine were inevitable.
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Multiple Choice
A) inherit one arm.
B) inherit two arms.
C) inherit three arms.
D) inherit one arm, larger and stronger than their parent.
E) inherit two arms, each slightly smaller than the parent's single arm.
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Multiple Choice
A) The animal's body size was too heavy to support the weight on land and hindlimbs were no longer useful.
B) More emphasis was placed on flexing the backbone than on paddling with hindlimbs for swimming.
C) Appendages cause resistance, or drag, when moving through water.
D) Before moving into the ocean, smaller legs were advantageous to escaping predators on land.
E) With the increased size of the tail and its use in swimming, the hindlimbs were not as necessary.
Correct Answer
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Multiple Choice
A) convergent evolution to a structure permitting movement in water.
B) natural selection to a structure permitting movement in water.
C) adaptations to eating fish.
D) inheriting a common trait from a recent common ancestor.
E) selective breeding for the flipperlike forelimbs by humans.
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Multiple Choice
A) feathers
B) tail with vertebrae
C) teeth
D) teeth and a tail with vertebrae
E) feathers and teeth
Correct Answer
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Multiple Choice
A) Geologic uplift has occurred.
B) Transitional fossils exist.
C) Diversity has changed through time.
D) Evidence of prior natural disasters/catastrophes exist.
E) Evidence of every species that ever existed.
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True/False
Correct Answer
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Multiple Choice
A) members of a population possess heritable variations
B) the population produces more offspring than the environment can support
C) individuals who have favorable traits survive and reproduce more than those individuals lacking such traits
D) people select which individuals breed and which ones do not
E) over multiple generations of reproducing, a larger proportion of the population will have those favorable traits and thus adaptation has occurred
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Multiple Choice
A) There is geographic isolation from mainland species.
B) Multiple islands exist.
C) Food is plentiful and diverse on every island.
D) The islands are small compared to the South American mainland.
E) Each island has its own unique environment.
Correct Answer
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True/False
Correct Answer
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Multiple Choice
A) species were fixed although they did change through time in response to catastrophes that occur.
B) when species became extinct to a local catastrophe, organisms from surrounding areas moved in to repopulate the area.
C) fossil strata showing change through time was explained by evolution.
D) species were not fixed and that they adapted in response to catastrophes that occur.
E) catastrophes could not explain the changes in species seen through the fossil strata.
Correct Answer
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