Introduction to Evolution

Differences between members of the same species are called

• predators
• traits
• selections
• variations

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A species is a group of similar organisms that

• Can mate with each other and produce fertile offspring
• can live together on an island
• can migrate to an island from the mainland
• all have exactly the same traits.

The theory of ____ states that species evolve slowly over a relatively slow time.

• behavioral
• evolution
• adaptation
• speciation

___________ is a trait variation that helps an individual survive & reproduce.

• genetics

• heredity

• adaptation

• puberty

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What are differences in DNA that sequence between individuals in populations?

• defect

• cancer

• genetic mutations

• selective breeding

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To adjust to a changing environment

• Mutation
• Adapt

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

• hypothesis

• experiment

• scientific law

• scientific theory

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Which of the following is the most valid scientific theory?

• The cell theory

• The atomic theory

• The theory of evolution

• The theory of plate tectonics

• They are all equally valid and have been tested and accepted as FACT by the scientific community.

Which organisms are most likely to survive?

• the best adapted
• the fastest
• the strongest
• the most domesticated (tamed)

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Almost all adaptations started off as?

• selective breeding
• physiological
• structural
• mutation

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