Natural Selection

Front

The change over time in populations of related species.

Back

biological evolution

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Front

What causes variations?

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mutations

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Front

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

Back

adaptation

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Front

The discovery of DNA and genes proved that

Back

mutations create variations and come from genes

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Front

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.

Back

true

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Front

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

Back

evolution by natural selection

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Front

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

Back

camouflage

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Front

Adaptations can be:

camouflage

,

ability to survive cold weather

,

hunting skills

,

all of the above

Back

all of the above

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Front

A yellow morph and green morph of an insect lives in the rainforest canopy. You would expect:

Back

the green population to increase and the yellow to decrease

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Front

How do you "win" at natural selection?

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survive & reproduce

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