Evolution, Mechanisms of Evolution, and Natural Selection

Organisms with traits that increase their fitness (ability to survive and reproduce) are more likely to pass on those traits to their offspring. This is the basis of which theory?

• natural selection

• evolution

• genetic drift

• mutations

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Any inherited trait that gives an organism an advantage in its environment is called ___.

• a mutation
• an adaptation
• evolution
• natural selection

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Which organisms are most likely to survive?

• the best adapted
• the fastest
• the strongest
• the most domesticated (tamed)

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Genetic Drift _________________ genetic variation.

• increases

• decrease

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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Which of the following are conditions that must happen for natural selection to occur? (Select all that apply)

• Overproduction

• competition

• descent with modification

• inherited variation

• hurricanes

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Which of the following has a higher fitness level?

• Being able to survive

• Being able to blend in with their envirionment

• Being able to reproduce

• The biggest, strongest and fastest organism.

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The term that best describes  "the better adapted organisms survive to pass traits along to offspring".

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?

• Light moths were easy to see against sooty trees and were eaten
• Light moths were killed by soot
• The birds that ate the dark moths were killed by soot
• Dark moths were produced by industrial processes

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