Microevolution and Macroevolution

The idea that evolution seems to occur in spurts of time.

• stabilizing selection

• gradualism

• disruptive selection

• puntuated equilibrium

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The idea that evolution happens with the accumulation of gradual changes in the population over time.

• stabilizing selection

• gradualism

• disruptive selection

• puntuated equilibrium

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What type of macroevolution is happening in the image?

• adaptive radiation

• microevolution

• coevolution

• convergent evolution

• divergent evolution

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Finches on the Galapagos Islands share similar characteristics because they share a common ancestor but have evolved into many different types of species to eat different foods in order to survive. What type of macroevolution is being described?

• adaptive radiation

• microevolution

• coevolution

• convergent evolution

• divergent evolution

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The large-scale events of speciation are called...

• macroevolution

• simplification

• adaptation

• microevolution

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Which best describes punctuated equilibrium?

• Speciation occurs due to natural selection

• Speciation occurs due to isolation

• Speciation occurs slowly in geologic time, followed by long periods with very fast evolutionary change.

• Speciation occurs suddenly and rapidly in geologic time, followed by long periods with little evolutionary change.

Microevolution refers to the small changes in an organism while macroevolution refers to the cumulative changes in an organism that lead to speciation.

• True

• False

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Microevolution or Macroevolution: Small changes in a species.

• Microevolution

• Macroevolution

• Both

• None of the above

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Adaptation is

• a change in a species over time; process by which modern organisms have descended from ancient organisms

• The process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest

• A theory that life comes from non-living objects

• Inherited characteristic that increase an organisms chance of survival

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Evolution is

• A theory that life comes from non-living objects

• a change in a species over time; process by which modern organisms have descended from ancient organisms

• A theory that life come from life

• The species from whom a current one has descended

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