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 is an adaptation?

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

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What role do mutations play in evolution?

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Mutations introduce genetic variation, which is essential for a population to evolve.

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True or False: Individuals undergo evolution.

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False. Evolution occurs at the population level, not at the individual level.

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What is genetic variation?

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Genetic variation refers to the differences in DNA among individuals within a population.

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What is the significance of beneficial traits?

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Beneficial traits increase an organism's chances of survival and reproduction, allowing those traits to be passed on to future generations.

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How does selective pressure affect a population?

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Selective pressure can lead to changes in the traits of a population over time, favoring individuals with advantageous characteristics.

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What is the difference between natural selection and artificial selection?

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Natural selection occurs through environmental pressures, while artificial selection is driven by human choices.

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What is the Hardy-Weinberg equilibrium?

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The Hardy-Weinberg equilibrium describes a population that is not evolving, where allele frequencies remain constant.

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What is the importance of overproduction in natural selection?

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Overproduction leads to competition for resources, which can result in the survival of only the fittest individuals.