evolution 7th grade

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What is a radioactive element?

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An unstable element that breaks down into different elements.

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What is adaptation in the context of evolution?

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A characteristic of an organism that makes it fit for its environment or way of life.

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What are fossil models?

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Models that represent the selections of dinosaurs.

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What is selective breeding?

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Choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics.

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Who is Charles Darwin?

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An English naturalist, geologist, and biologist, best known for his contributions to the science of evolution.

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What is natural selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.

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What is a species?

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A group of organisms that can interbreed and produce fertile offspring.

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What is a mutation?

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A change in the DNA sequence of an organism that can lead to new traits.

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What is the theory of evolution?

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The scientific explanation for the diversity of life, stating that species change over time through natural selection and other processes.

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What is a fossil?

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The preserved remains or traces of an organism that lived in the past.