Types of Evolution

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

• coevolution

• punctuated equilibrium

• gradualism

• microevolution

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Punctuated Equilibrium implies catastrophic events caused natural selection to speed up due to great environmental changes.

• True

• False

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Coevolution is the

• Species looking similar due to a common ancestor

• Species looking similar due to a common environment

• evolution of two species that do not interact

• evolution of one species in response to evolution in another species

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  

• become extinct
  

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Sharks and dolphins both have streamlined bodies that allow them to move through water efficiently, this is an example of which type of evolution?

• Divergent

• Coevolution

• Convergent

• Artificial

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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 of these is an example of Divergent Evolution?

• The Whale Lineage

• Cheetah Cubs

• Darwin's Finches

• Dolphin and Shark Bodies

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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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Which of these is an example of Convergent Evolution?

• The Whale Lineage

• Cheetah Cubs

• Darwin's Finches

• Dolphin and Shark Bodies

What is the definition of Divergent Evolution?

• The process where species evolve similar traits independently.

• The process where species from a common ancestor evolve and accumulate differences.

• The process where species evolve in response to each other.

• The process where species do not change over time.