Natural Selection and Evolution

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What is Natural Selection?

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Natural Selection is the process by which individuals that are better suited to their environment survive and reproduce, passing their genes to the next generation.

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What does 'survival of the fittest' mean?

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'Survival of the fittest' refers to the idea that individuals with favorable traits are more likely to survive and reproduce.

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What is Evolution?

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Evolution is the gradual change in species over time, resulting from natural selection and genetic variation.

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What are favorable traits?

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Favorable traits are characteristics that enhance an organism's ability to survive and reproduce in its environment.

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What is Adaptation?

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Adaptation is a change in a species that makes it better suited to its environment.

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How do environmental changes affect species?

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Environmental changes can favor certain traits in a species, leading to changes in population over time.

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What is Variation in a species?

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

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Why are dark moths more successful in soot-covered environments?

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Dark moths are more successful because they are better camouflaged against the dark background, making them less visible to predators.

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What is the role of genetic variation in natural selection?

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Genetic variation provides the raw material for natural selection, allowing some individuals to have traits that are advantageous for survival.

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What is a common misconception about natural selection?

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A common misconception is that natural selection leads to 'perfect' organisms; in reality, it only favors traits that are advantageous in a specific environment.