Evolution

What is the definition of Divergent Evolution?

• The process where groups from the same common ancestor evolve and accumulate differences, resulting in the formation of new species.

• The process where species that are not closely related independently evolve functionally or visually similar structures.

• The process by which development of species is marked by isolated episodes of rapid adaptation to environments between long periods of little or no change.

• The process of development of  evolutionary change that occurs between pairs of species as they interact with one another.

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What is the definition of Convergent Evolution?

• The process where groups from the same common ancestor evolve and accumulate differences, resulting in the formation of new species.

• The process where species that are not closely related independently evolve functionally or visually similar structures.

• The process by which development of species is marked by isolated episodes of rapid adaptation to environments between long periods of little or no change.

• The process of development of  evolutionary change that occurs between pairs of species as they interact with one another.

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The three species pictured do not share a common ancestor, yet have evolved to have a similar anatomy and life style. This is an example of ?

• Homologous Structures

• Divergent Evolution

• Vestigial Organs

• Convergent Evolution

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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What point represents the most recent common ancestor of Asian black bears and Sun bears?

• 5

• 6

• 4

• 7

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What point represents the most recent common ancestor of sloth bears and brown bears?

• 5

• 3

• 4

• 2

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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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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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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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This scientist came up with the idea of natural selection.

• Jean Baptiste Lamarck
• Gregor Mendel
• Charles Darwin
• Thomas Malthus

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