Natural Selection Practice

What was the name of the scientist who had the Theory of Evolution?

• Lamarck
• Einstein
• Washington
• Darwin

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When organisms with the best adaptations survive and reproduce (and therefore pass their traits along to offspring), this is called:

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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Finches on the Galapagos Islands all come from a common ancestor. Over millions of years, the beaks on the finches living on each island changed. Why did this happen?

• They wanted to look different to help them blend in
• They adapted to eat the food available on their island
• They wanted to protect themselves against predators
• Their beaks didn't actually change

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Natural selection is when ____________ decides who survives and who doesn't.

• nature
• humans
• animals
• years

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What did Charles Darwin think about natural selection?

• organisms change their traits to the trait that will help them
• breeding 2 similar animals get the best traits
• breeding 2 animals with different traits give the best results
• organisms with better traits for their environment will survive and reproduce

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What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

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Why do frogs and other organism produce so many offspring?

• So that their babies can have friends to play with
• The more offspring the more likely the offspring will survive
• The more offspring the less likely offspring will survive 
• The more offspring the less competition

Which organisms are most likely to survive?

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

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Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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The differences among a species, like different bird beaks, are called

• genes
• variations
• traits
• theories

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