Population Variation and Biotechnology

Natural selection requires which of the following?

• Variations in DNA

• Competition

• Survival of the Fittest

• High allele frequency

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NGSS.HS-LS4-4

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A mutation is?

• A change in your proteins

• Any change in RNA
• Any change in the genetic code

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NGSS.HS-LS3-2

Mutations in DNA can cause _______ changes in traits.

• helpful

• harmful

• no

• all of these are possible changes

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NGSS.HS-LS3-2

What is the term for a feature that allows an organism to survive better in its environemtn?

• variation

• adaptation

• homologous structure

• vestigial structure

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NGSS.HS-LS4-4

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What is the variation shown here?

• height of flight

• types of beaks

• habitat

• size

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NGSS.HS-LS4-4

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NGSS.HS-LS3-2

Based on the picture, what are these birds competing over?

• food

• water

• shelter

• predators

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NGSS.HS-LS2-6

Which moth has better fitness before the industrial revolution?

• Black

• White

• Birds

• Pollution

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NGSS.HS-LS4-4

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NGSS.HS-LS4-5

Which of the following will likely occur if these two tortoises were placed on an island with only high bushes to eat.

• normal shell tortoise will mutate to hood shell

• hood tortoise will survive and reproduce

• normal shell tortoise will starve

• hood tortoise will starve

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NGSS.HS-LS4-4

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What is the dependent variable in this graph?

• Drought year

• Beak depth

• Number of finches

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NGSS.HS-LS4-4

NGSS.HS-LS2-1

What are the rabbits shown competing over?

• Food

• Water

• Shelter

• Not being prey

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NGSS.MS-LS2-4

NGSS.MS-LS2-1