Natural Selection and Evolution

Who is the British naturalist who formulated the theory of evolution by natural selection

• Gregor Mendel

• HMS Beagle

• Charles Darwin

• Galapagos Finches

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What are any difference between organisms of the same species

• Homologous Structure

• Diversity

• Fossil

• Variation

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What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

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What is a change in an organism that allows for it to survive in its environment?

• homologous
• vestigial
• variation
• adaptation

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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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Predict which moth would increase in population

• light 
• dark

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Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

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This picture is an example of

• homologous structures
• embryological similarities
• analogous structures
• vestigial structures

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How are camels especially suited to their environment? Choose best

• Their humps make them good pack animals for humans
• Their long eyelashes make them look pretty
• They can go long without water
• They get along well with other animals

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

• Natural Selection

• Variation

• An acquired trait

• Extinction

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