Natural Selection

The theory of evolution by natural selection means that what is changing over time?

• The inherited traits of a population.
• The acquired traits of a population.
• Hair color and eye color
• Attractive features.

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According to natural selection, light colored tree trunks would favor

• light colored moths

• dark colored moths

• red colored moths

• red and light colored moths

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What is convergent evolution?

• evolution toward similar traits in unrelated species

• evolution toward different traits in closely related species

• elimination of a species from Earth

• the rise of two or more species from one existing species

Will the following lead to evolution or maintaining genetic equilibrium: mutations

• evolution

• genetic equilibrium

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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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Male long-tailed widow birds have elaborate tail displays, increasing their chances of being seen by a predator. This is an example of:

• attraction

• Symbiosis

• Natural Selection

• Sexual Selection

The process by which organisms change over time is:

• Diversity
• Descent
• Evolution
• Unity

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 Genetic Drift is more likely to happen in... 

• aquatic populations
• small populations
• terrestrial populations
• older populations

Which of these is an example of natural selection?

• The largest animal in a population will have more opportunities for reproduction.
• Several species of organisms work together so that they all succeed.
• One species takes all the resources in an environment leaving none for others.
• Organism that are best suited to an environment tend to survive and reproduce more often.

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What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct
• When multiple species from all over the earth suddenly go extinct 
• When one species goes extinct due to habitat changes
• When all life on earth is wiped out 

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