AP Bio: Evolution Total

The process by which all organisms change slowly over time because of slight gene variations is called

• natural selection
• artificial selection
• evolution
• gene pool

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An inherited characteristic that increases an organism's ability to survive and reproduce in its specific environment is called (n)

• vestigial structure
• adaptation
• speciation
• analagous structure

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Which of the following would an animal breeder use to increase the number of cows that give the most milk?

• overproduction
• genetic isolation
• acquired characteristics
• artificial selection

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Structures that have different mature forms but develop from the same embryonic tissue are called 

• analagous
• adaptations
• homologous
• fossils

Which of the following are examples of common descent involving molecular biology?

• homologous structures
• fossils
• analogous proteins
• universal genetic code in DNA

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Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)

• mutation
• gene flow
• gene pool
• allele

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Which of the following explains how natural selection causes a trait to become predominant in a population?

• Individuals with traits that are favorable to the environment reproduce more.
• Traits of an individual change in order to adapt to changes in enviornment.
• organisms select which traits they wish to inherit
• all of these answers

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Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

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In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

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Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

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