Evolution Unit Review

Over generations of time apart on different islands with different food sources, the separated populations of Galapagos finches accumulated genetic differences until each group had different beaks. This is an example of _____.

• natural selection

• genetic drift

• adaptation

• speciation

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NGSS.MS-LS4-4

Individuals undergo evolution.

• True

• False

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NGSS.MS-LS4-4

A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.

• natural selection

• adaption

• speciation

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NGSS.MS-LS4-4

Which of the following is NOT an example of natural selection?

• People selectively breeding hamsters for size.

• Insect populations developing resistance to certain pesticides.

• Bacteria becoming resistant to antibiotics.

• Male birds of certain species inheriting colorful feathers that are more attractive to females.

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NGSS.MS-LS4-4

Genetic drift is change in the allele frequency of a population due to...

• random chance
• natural selection
• non-random mating (sexual selection)
• artificial selection

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NGSS.HS-LS4-2

NGSS.HS-LS4-3

The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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NGSS.MS-LS4-2

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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NGSS.MS-LS4-2

Many different groups of organisms have wings, even though they do not share a recent common ancestor. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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NGSS.MS-LS4-2

A flood drowns a large portion of an insect population, with only a few random individuals surviving. This is an example of ______.

• genetic drift

• adaptation

• natural selection

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?

• individual
• population
• species
• fossil

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NGSS.MS-LS4-4