Amplify Science: Evolutionary History Vocabulary

What is the definition of a paleontologist?

• A scientist who studies fossils to understand the ancient history of life on Earth

• A scientist who studies planets and stars

• A scientist who studies the behavior of animals

• A scientist who studies the structure of the human body

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What is the definition of a species?

• A group of organisms of the same kind that reproduce with organisms from other groups

• A group of organisms of the same kind that do not reproduce with organisms from any other group

• A group of organisms of different kinds that reproduce with organisms from any group

• A group of organisms of different kinds that do not reproduce with organisms from any group

What does the term "body structure" refer to?

• A part of an organism, such as one or more bones

• The outer covering of an organism

• The process of an organism's growth

• The energy system of an organism

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What does the term "shared structure" refer to in evolutionary biology?

• A body structure in two or more species that features the same parts, such as the same bones.

• A body structure unique to a single species.

• A body structure that changes over time within a single species.

• A body structure that is unrelated to evolutionary history.

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What does the term "common ancestor population" refer to?

• A population that exists in the future and evolves into new species

• An older population from which two or more newer species descended

• A population that is unrelated to any species

• A population that evolves independently without any descendants

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What is the key concept about species mentioned in the learning material?

• Species develop their body structures independently.

• Species inherit their body structures from their ancestor populations.

• Species create new body structures through environmental adaptation.

• Species lose their body structures over time.

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What does the presence of shared body structures between two species indicate?

• The two species evolved independently without any connection.

• The two species inherited the shared structures from a common ancestor population.

• The two species developed similar structures due to environmental factors.

• The two species are unrelated and coincidentally have similar structures.

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What is the term used to describe the process by which one population evolves into two or more different species?

• Mutation

• Speciation

• Adaptation

• Extinction

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What is the effect of natural selection on populations separated into different environments?

• It causes populations to merge into one species.

• It causes identical changes in all populations.

• It causes different changes to happen to each population.

• It prevents any changes from occurring in populations.

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What is the result of natural selection causing changes in separated populations?

• Descendant species develop identical structures.

• Descendant species end up with differences in their shared structures.

• Descendant species lose all shared structures.

• Descendant species become extinct.

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