Evolution 2024

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What is the basic theory of biological evolution?

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The basic theory of biological evolution states that the Earth’s present-day species developed from earlier, distinctly different species.

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What information can scientists obtain from the fossil record?

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Evidence about past environments and the history of life.

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How does biodiversity affect ecosystems?

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Biodiversity increases the stability of ecosystems and the chances that some organisms will survive environmental changes.

Front

What does a rich variety of genetic material in an ecosystem do?

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It increases the chances that some organisms will survive change.

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Why is studying fossils important for understanding evolution?

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Fossils can show patterns of biological change over time.

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What is the significance of genetic diversity in a population?

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Genetic diversity increases the likelihood of survival and adaptation to changing environments.

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What role do environmental changes play in evolution?

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Environmental changes can drive natural selection, leading to the evolution of species.

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What is natural selection?

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Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

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What is the relationship between evolution and extinction?

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Evolution can lead to the emergence of new species, while extinction can occur when species cannot adapt to environmental changes.

Front

What evidence supports the theory of evolution?

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Fossil records, genetic similarities, and observed evolutionary changes in species.