HA3: Natural Selection

Mutations can be _____.

• positive

• negative

• neutral

• positive, negative or neutral

Tags

NGSS.MS-LS3-1

Mutations can become adaptations if they are beneficial for an organism.

• True

• False

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NGSS.MS-LS3-1

NGSS.MS-LS4-4

How could a genetic mutation in an individual affect a population over several generations?

• A specific organism can survive and reproduce.

• If the change is beneficial, the organism can pass on the trait.

• It cannot affect the population.

• It could change the environment around the organism.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Adaptations come from

• the environment

• genetic mutations

• nothing

• other adaptations

Tags

NGSS.MS-LS4-4

Genetic differences in organisms leads to _____.

• genetic differences

• mutations

• variations in populations

• DNA

Tags

NGSS.MS-LS4-4

An inherited trait or behavior that increases an organisms chance to survive and reproduce.

• mutation

• adaptation

• variation

• change

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NGSS.MS-LS1-4

NGSS.MS-LS4-4

Humans can create a new breed with specific traits through the process of _____.

• variation

• artificial selection

• natural selection

• breeding

Members of a species that are best suited for their environment and survive and reproduce at a greater rate demonstrates which process?

• artificial selection

• natural selection

• speciation

• selective breeding

Tags

NGSS.MS-LS4-4

Darwin observed finches with different traits on different islands. What process led to one kind of finch becoming different species of finch?

• Natural selection

• Mutations

• Artificial selection

• Beak size and shape

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Why are advantageous (beneficial/positive) 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.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4