Evolution and Natural Selection

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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The trees these moths used to live on were white, but got covered in soot during the industrial revolution. 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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Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.

• Insect populations developing resistance to certain pesticides.

• Bacteria becoming resistant to antibiotics.

• Male birds of certain species developing colorful feathers to attract female mates.

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Two organisms that are closely related would have

• very similar DNA sequence

• exactly the same DNA sequences

• no proteins in common

• completely different DNA sequence

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The differences among a species, like different bird beaks, are called

• genes.

• variations.

• traits.

• theories.

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What is artificial selection?

• The death of every member of a species

• A change in the structure or amount of the genetic material of an of an organism

• The human practice of breeding animals or plants that have certain desired traits

• The process which individuals that are better adapted to their environment and they survive and reproduce better than less adapted

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Which of the following is NOT a factor that affects the process of natural selection?

• Overpopulation

• Fossils

• Competition

• Variations

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Adaptations are:

• physical or behavioral tendencies.

• physical or behavioral characteristics that help an organisms survive and reproduce.

• physical or behavioral characteristics that do not help the organism in any way.

• genetic mutations that have gone wrong.

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What process is being shown in this image?

• Variation

• Natural Selection

• Selective Breeding

• Homeostasis

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Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice

• The hawks eat more dark mice than light mice because the dark mice taste better

• The hawks eat more light mice than dark mice because they can see the light mice more easily

• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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