Natural Selection

In a cold environment what would be some adaptive traits? Sellect all that apply.

• thick blubber

• thick fur

• thin fur

• strong muscles

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NGSS.MS-LS4-4

What is a mutation?

• When animals have extra legs

• When a frog has 3 eyes

• When genes or DNA have been alterd or changed

• When RNA is upside down

What is a trait?

• a color

• the quality or characteristic of an organism

• the DNA of an organism

• when mutatuons cause extra limbs.

Which of these are possible traits of a rattle snake?

Select all that apply

• venom

• rattle

• hair

• legs

• scales

Adaptations can be:

• camouflage

• ability to survive cold weather

• hunting skills

• all of the above

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NGSS.MS-LS4-4

What is most likely to happen to moth populations in the picture shown?

• Light moths--hunted easily, dark moths--population increase

• Dark moths--hunted easily, dark moths--population increase

• Light moths--hunted easily, light moths--population increase

• Lights moths will change their color to match dark moths.

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

NGSS.MS-LS2-1

How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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NGSS.MS-LS4-4

Due to pollution, a pond becomes darker over time. Which trait variation became more common?

• light fish

• dark fish

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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NGSS.MS-LS4-4

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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NGSS.MS-LS4-4