Darwin & Evolution by Natural Selection

Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein
• Charles Darwin
• Charles Barkley
• Isaac Newton

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Genetic differences between organisms of the same species are:

• variation

• adaptation

• behavior

• environment

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The struggle for existence against other members of an organism's species is:

• Competition

• Natural Selection

• Gene Flow

• Genetic Drift

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The white feathers of a snowy owl allow it to blend in with its environment during the winter months. This is an example of a(n) ________________.

• species

• environmental change

• adaptation

• variation

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What is the advantage of having different shaped beaks?

• To look different from other species.

• To be able to eat the food readily available in the environment.

• To protect itself against predators.

• To protect itself against prey.

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Individuals that are well adapted to their environment will survive and produce:

• Fewer mutations

• Stronger genes

• More offspring

• Better traits

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Horse breeding for specific desired traits is an example of which type of evolutionary evidence?

• Artificial selection

• Embryology

• Fossils

• Biochemical molecules

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Remains of ancient organisms are called:

• Extinctions

• Fossils

• Mutations

• Variations

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A well-tested concept that explains a wide range of observations is called a(an):

• hypothesis
• experiment
• cause and effect
• scientific theory

Genetic variations within a species are caused by ____.

• finite resources and natural selection

• overproduction and survival of the fittest

• random mutations and independent assortment of genes

• changes in the environment and adaptations

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