8.1 Natural Selection

What is the process by which living organisms adapt and change over time?

• Mutation

• Natural selection

• Genetic drift

• Artificial selection

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What do individuals in a population have in their inherited traits?

• Similarities

• Variations

• No differences

• Identical traits

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What happens to advantageous traits that help an organism survive and reproduce over multiple generations?

• They become less common

• They disappear

• They become more common

• They remain the same

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What can mutations introduce in traits?

• No changes

• Only harmful variations

• New, sometimes helpful variations

• Only neutral variations

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What does "Survival of the fittest" mean?

• The strongest organisms survive

• The organisms best adapted to their environment are more likely to survive and reproduce

• Only the largest organisms survive

• The organisms that reproduce the most survive

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What can changes in the environment make previously neutral or advantageous traits become?

• Always beneficial

• Always neutral

• Harmful or vice versa

• Unchanged

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Can an individual suddenly change their heritable traits regardless of need or desire?

• Yes, they can

• No, they cannot

• Only under certain conditions

• Only if they try hard enough