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The Process of Evolution Genetic changes occurring in populations can result in new species, the extinction of species, and organisms suited for different environments.
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Natural Selection Charles Darwin developed a theory of how organisms with the same ancestors can look and behave differently over time.
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Vocabulary evolution naturalist adaptation natural selection
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Charles Darwin naturalist: one who studies plants, animals, rocks traveled to South America, Galapagos islands 5 years HMS Beagle amazed by diversity
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Darwin’s observations Tortoises Finches Iguanas
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Darwin’s observations
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Selective Breeding When a plant or animal is bred by humans in order to get selected desirable traits. Speed in race horses Sheep with fine wool Cow with most milk Largest fruit
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Adaptation: a trait that helps an organism survive and reproduce in its environment. Evolution: The gradual change in a species over time.
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Natural Selection Individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
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Natural Selection
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The process of evolution power point https://youtu.be/JiSuK_Dvdtg
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Natural Selection Made Easy https://youtu.be/401jO8ASJkA
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