Natural Selection and Evolution Review (Pre-AP)

After a long time in isolation, Island fruit flies and mainland fruit flies meet. They do not produce viable eggs due to genetic differences. The flies have resulted in two seperate lineages due to:

• Gene Pool

• Genetic Drift

• Gene Frequency

• Speciation

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In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

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what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands
• identical species on all the islands
• the same species as North America

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Mutations are important because they bring about

• death of the organism in which they develop

• genetic variation needed for a population to evolve

• benefits for the individual, not for the population

• Hardey-Weinberg equilibrium within a population

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Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?

• individual
• population
• species
• fossil

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Genetic drift is change in the allele frequency of a population due to...

• random chance

• natural selection

• non-random mating (sexual selection)

• artificial selection

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A(n)________ is a measure of how common a certain allele is in a population.

• Allele Frequency

• Gene Pool

• Genotypical Number

• Genetic Drift

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Which word means the formation of new species?

• speciation

• specialization

• founder effect

• sexual selection

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When members of two populations reproduce during different times.

• behavioral isolation

• temporal isolation

• geographic isolation

• calendar isolation

What is this an example of?

• diversity of species
• variation
• vestigial structures
• DNA studies

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