Variation, Adaptation, and Mutations

An inherited trait that increases an organism's chance of surviving and reproducing.

• variation

• adaptation

• vestigial structure

• mutation

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The discovery of DNA and genes proved that

• Darwin was wrong

• mutations create variations and come from genes

• we are all the same species

• bats and butterflies have a very close common ancestor

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When an organism of a species is born with a variation in a trait that gives it an advantage in its environment, we call that trait an adaptation.

• true

• false

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When an organism of a species has an adaptation, it will compete for resources better, survive longer and pass that adaptation on to it's offspring. This process is called

• evolution by natural selection

• artificial selection

• inbreeding

• outbreeding

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When an organism has a trait that allows it to blend in with its environment, we call that ____.

• mimicry

• camouflage

• lucky

• sonic hedgehog gene

Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  

• become extinct
  

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To adjust to a changing environment

• Mutation

• Adapt

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The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

• Species

• Environmental Change

• Adaptation

• Variation

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Genetic differences between organisms of the same species

• Variation

• Adaptation

• Behavior

• Environment

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What is the advantage of having different shaped beaks?

• To look different from other species.

• To be able to eat the food readily available in the environment.

• To protect itself against predators.

• To protect itself against prey.

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