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What is the main idea of Darwin's Theory of Evolution?
What is the main idea of Darwin's Theory of Evolution?
- Organisms change due to environmental factors
- Natural selection leads to organisms adapting to their environment
- Organisms change over time and share common ancestors (correct)
- Organisms remain unchanged throughout generations
Why did Darwin notice differences in plants and animals on different islands of the Galápagos?
Why did Darwin notice differences in plants and animals on different islands of the Galápagos?
- Due to the presence of different predators on each island
- Because humans had artificially introduced different species on each island
- As a result of variations in the environments of the islands (correct)
- Because each island had unique geological formations
What does 'fitness' refer to in the context of natural selection?
What does 'fitness' refer to in the context of natural selection?
- The physical strength of an organism
- The overall health of an organism
- The ability of an organism to produce many offspring (correct)
- The speed at which an organism can adapt to changes
How does natural selection work based on Darwin's theory?
How does natural selection work based on Darwin's theory?
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Based on the information provided, why did giraffes with longer necks have a reproductive advantage?
Based on the information provided, why did giraffes with longer necks have a reproductive advantage?
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What is the main focus of comparative anatomy in relation to evolution?
What is the main focus of comparative anatomy in relation to evolution?
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Why are homologous structures similar in related organisms?
Why are homologous structures similar in related organisms?
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What is the significance of comparative embryology in understanding evolution?
What is the significance of comparative embryology in understanding evolution?
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What do vestigial structures represent in terms of evolution?
What do vestigial structures represent in terms of evolution?
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Why are analogous structures similar in unrelated organisms?
Why are analogous structures similar in unrelated organisms?
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