Natural Selection

Variations are caused by . . .

• Kaleidoscopes

• Variety Shows

• Mutations

• A change in phenotypic expression

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NGSS.MS-LS3-1

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What is survival of the fittest?

• Do you even lift brah?

• Only the strong survive

• Hunger Games

• The best adapted animal will live and reproduce

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TRUE or FALSE: Mutations are random

• TRUE

• FALSE

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NGSS.MS-LS3-1

TRUE or FALSE: Mutations lead to variation.

• TRUE

• FALSE

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NGSS.MS-LS3-1

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Match the following terms with their definitions

• A permanent change in the DNA

• Adaptation

• An inherited trait that makes and individual different

• Mutation

• a change in a species DNA over time because of natural selection

• Variation

• Any variation that makes an organism better able to survive

• Evolution

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NGSS.MS-LS4-2

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If a new trait DOES NOT help an organism survive, what may happen to it?

• It dies and its DNA is not passed on

• It survives and its DNA is passed on

• It changes its traits to adapt and survive

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NGSS.MS-LS4-4

If a new trait DOES help an organism survive, what may happen to it?

• It dies and its DNA is not passed on

• It survives and its DNA is passed on

• It changes its traits to adapt and survive

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NGSS.MS-LS4-4

What process is being shown in this image?

• Variation
• Natural Selection
• Selective Breeding
• Homeostasis

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NGSS.MS-LS4-4

Which organisms are most likely to survive?

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

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NGSS.MS-LS4-4

The trees these moths used to live on were white, but have been covered in soot(pollution) from coal factories. Which moth will be more successful in this environment?

• Dark moth

• Light moth

• Both will be equally successful

• Neither will be successful

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NGSS.MS-LS2-4

NGSS.MS-LS4-4