Exam Review - Natural Selection

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What is Natural Selection?

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Natural selection is the process by which organisms that are better adapted to their environment tend to survive and produce more offspring.

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What does 'Survival of the Fittest' mean?

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It means that the best adapted organisms live and reproduce.

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What is Camouflage?

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Camouflage is when an organism blends into its environment to avoid detection by predators.

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What is a Vestigial Structure?

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A vestigial structure is a body part that has lost its original function through evolution, such as human wisdom teeth.

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What is a Mutation?

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A mutation is any change in an organism's DNA that can lead to variations in traits.

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What is Adaptation?

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Adaptation is a trait that helps an organism survive and reproduce in its environment.

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What is Variation in a population?

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Variation refers to the differences in traits among individuals in a population.

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What is Fitness in evolutionary terms?

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Fitness refers to an organism's ability to survive and reproduce in its environment.

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What is the role of Predators in Natural Selection?

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Predators can influence natural selection by preying on weaker individuals, allowing stronger ones to survive.

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What is the significance of Fossils in understanding evolution?

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Fossils provide evidence of past life forms and show how species have changed over time.