Unit 5 Vocabulary: Intro to Evolution

Match the following vocabulary words to the correct definition.

• Microevolution

• evolution that has occurred over millions of years on Earth

• Macroevolution

• evolution that occurs over a shorter period of time

• Evolution

• well-supported explanation based on a wide range of facts

• Hypothesis

• process by which the genetics of a population of organisms change over time

• Theory

• an idea or explanation for something that is based on known facts but has not yet been proved

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Which of the following best describes evolution?

• changes in the genetics of populations of organisms over time

• changes in the genetics of individual organisms over time

• changes in the genetics of populations of organisms during their life span

• changes in the genetics of an individual organism during its life span

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Select the two main types of evolution.

• Adaptations

• Macroevolution

• Microevolution

• Natural selection

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Evolution is a ______________.

• Religion

• Hypothesis

• Theory

• Guess

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What is macroevolution? Select all that apply.

• Evolution that typically looks at the evolution of small groups of organisms

• Evolution that typically looks at the evolution of big groups of organisms

• Evolution that occurs over a shorter period of time

• Evolution that has occurred over millions of years on Earth

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What is microevolution? Select all that apply.

• Evolution that typically looks at the evolution of small groups of organisms

• Evolution that typically looks at the evolution of big groups of organisms

• Evolution that occurs over a shorter period of time

• Evolution that has occurred over millions of years on Earth

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A ​ (a)   is an explanation for something supported by evidence while a (b)   is an explanation for something that has not been proven.

• theory
• hypothesis
• law
• fact