AP Bio Evolution

Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.
• Insect populations developing resistance to certain pesticides.
• Bacteria becoming resistant to antibiotics.
• Male birds of certain species developing colorful feathers to blend in with the nearby trees

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Which species’ DNA is most similar to the DNA of the toothed whale? 

• Hippopotamus 
• Baleen Whale
• Grazing Mammals
• Camels

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These moths are from the same species. What accounts for the differences in their appearance?

• diversity of species
• variation in a trait

• vestigial structures
• homologous structures

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What is this an example of?

• vestigial structures
• embryology
• homologous structures
• fossil record

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When the DNA of an organism is altered it is referred to as…

• Mutation
• Gene Flow
• Genetic Drift
• Sexual Selection

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The cause of artificial selection is…

• The environment
• Humans
• Mutation
• Gene Flow

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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In natural selection, selective pressures typically arise from

• 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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A population of seed cracker finches from Cameroon consist of small and large billed birds specialized in cracking soft and hard seeds, respectively. If long term climatic change resulted in all seeds becoming hard, which type of natural selection would operate on the finch population?

• Sexual selection

• Stabilizing selection

• Directional selection

• Disruptive selection

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