AP Biology Natural Selection

a bird that can easily outcompete other birds for food and that can produce many eggs has a high

• sexuality
• mutation rate
• fitness
• adaptability

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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 evolutionary forces can introduce new genetic variation into a population?

• natural selection and non-random mating
• natural selection and genetic drift
• mutation and genetic drift
• mutation and gene flow

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Occurs from the interaction between the environment and the inherit variability in a population. Individuals best suited to their environment will pass down those favorable traits to their offspring.

• Evolution

• Artificial Selection

• Natural Selection

• Vestigial Structures

• Homologous Structure

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Darwin proposed that new species evolve from ancestral forms by-

• the gradual accumulation of adaptations to changing environments.

• the inheritance of acquired adaptations to the environment.

• the accumulation of mutations.

• the exponential growth of populations.

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Which statement about natural selection is most correct?

• Adaptations beneficial in one habitat should generally be beneficial in all other habitats as well.

• Different species that together occupy the same habitat will adapt to that habitat by undergoing the same genetic changes.

• Adaptations beneficial at one time should generally be beneficial during all other times as well.

• Well-adapted individuals leave more offspring, and thus contribute more to the gene pool, than poorly adapted individuals.

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Which statement about natural selection is most correct?

• Adaptations beneficial in one habitat should generally be beneficial in all other habitats as well.

• Different species that together occupy the same habitat will adapt to that habitat by undergoing the same genetic changes.

• Adaptations beneficial at one time should generally be beneficial during all other times as well.

• Well-adapted individuals leave more offspring, and thus contribute more to the gene pool, than poorly adapted individuals.

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Generation-to-Generation change in allele frequency.

• Gene Pool

• Allele Frequency

• Populatin Genetics

• Speciation

• Microevolution

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Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 
• No, they change because of natural selection

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These moths are all the same species. The differences between their wings is an example of ________________

• Natural Selection
• Variation
• Homeostasis
• Extinction

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