Natural Selection

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What is Natural Selection?

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Natural Selection is the process where organisms that are better adapted to their environment survive and reproduce, passing on their advantageous traits to their offspring.

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NGSS.MS-LS4-4

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What happens to the populations of yellow and green morph insects in a rainforest canopy?

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In a rainforest canopy, the green population of insects is expected to increase while the yellow population decreases due to better camouflage.

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What is an adaptation?

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An adaptation is a trait that helps an organism survive and thrive in its environment.

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NGSS.MS-LS4-4

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What is a bottleneck effect?

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A bottleneck effect occurs when a population's size is significantly reduced for at least one generation, leading to a loss of genetic diversity.

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What is Artificial Selection?

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Artificial Selection is the process by which humans breed plants and animals for specific traits.

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What is the difference between Natural Selection and Artificial Selection?

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Natural Selection occurs naturally based on environmental pressures, while Artificial Selection is driven by human choices.

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What is the role of mutations in evolution?

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Mutations are changes in DNA that can lead to new traits, which may be beneficial, harmful, or neutral, and contribute to evolution.

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What is coevolution?

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Coevolution is the process where two or more species influence each other's evolution, often seen in predator-prey relationships.

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What is camouflage?

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Camouflage is a trait that allows an organism to blend in with its environment, helping it avoid detection by predators.

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What is the significance of genetic diversity?

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Genetic diversity is important for the survival and adaptability of a population, allowing it to respond to environmental changes.

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