Evolution Common Ancestor

• Phyletic Speciation

• Adaptive Radiation

• Convergent Evoltion

• Divergent Evoltuion

• Co-evolution

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The three species pictured share a common ancestor and have adapted so that each lives in a different environment. This is an example of

• Law of Superposition

• Evolutionary Arms Race

• Divergent Evolution

• Convergent Evolution

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Which traits were selected for in whale ancestors?

• Traits that helped them walk on land

• Traits that helped them move in water

• Traits that helped them give birth

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Two organisms that are closely related would have

• Very similar DNA sequences

• Very different DNA sequences

• The same exact DNA sequences

• No similarity in DNA

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What type of evolution does this picture show?

• convergent evolution

• divergent evolution

• extinction

• coevolution

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A number of different species arise from one common ancestor.

• Adaptive Radiation (aka, Divergent Evolution)

• Gradualism

• Coevolution

• Speciation

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The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as

• speciation

• punctuated equilibrium

• gradualism

• microevolution

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In order for Evolution to happen you need

• Genetic Variation, Selective Pressure, and Inheritance

• Mutations, predators, inheritance

• Predators

• Selection

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What happens to new traits that HELP organisms survive over time?

• Nothing

• That trait becomes MORE COMMON in the population

• That trait becomes LESS COMMON in a population

• Equally common

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What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

• There were different types of predators on the islands.

• The finches on the mainland could not fly high enough.

• There was no water on the islands.

• There were different food types on each island.

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