Evidence of Evolution

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What is biochemical/molecular evidence?

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Biochemical/molecular evidence refers to the similarities in DNA, proteins, and other molecular structures between different species, indicating a common ancestry.

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What are vestigial structures?

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Vestigial structures are body parts that have lost their original function through evolution, such as the palmaris longus muscle in humans.

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Give an example of vestigial structures in animals.

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The leg bones of whales are vestigial structures, as they are remnants of ancestors that used to walk on land.

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What is fossil evidence?

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Fossil evidence consists of preserved remains or traces of organisms from the past, providing insights into the history of life on Earth.

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How do fossils contribute to our understanding of evolution?

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Fossils help scientists understand the changes in species over time and the relationships between extinct and living organisms.

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What is the significance of comparing anatomy in evolutionary studies?

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Comparing anatomy involves examining the physical structures of different organisms to identify similarities and differences that suggest evolutionary relationships.

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What are analogous structures?

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Analogous structures are body parts in different species that serve similar functions but do not share a common evolutionary origin.

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What is embryonic development evidence in evolution?

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Embryonic development evidence refers to the similarities in the early stages of development among different species, indicating a common ancestry.

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What is the role of molecular evidence in supporting evolution?

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Molecular evidence, such as DNA sequencing, provides strong support for evolutionary theory by showing genetic similarities among species.

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What is comparative anatomy?

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Comparative anatomy is the study of similarities and differences in the anatomy of different species, used to infer evolutionary relationships.