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define common ancestorQuestion
define common ancestry
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Common ancestry refers to the concept in biology which posits that different species share a common ancestor from which they have evolved over time. This idea is a fundamental principle of the theory of evolution, suggesting that all living organisms are related through evolutionary processes that trace back to a shared lineage.
Common ancestry is supported by various scientific evidence, including comparative anatomy, genetics, and the fossil record, which show similarities among different species that can be explained by divergence from a common ancestor. For example, humans, chimpanzees, and other primates share a common ancestor that lived millions of years ago, leading to the diverse evolutionary paths observed in modern species.
Overall, the concept of common ancestry helps to explain the diversity of life on Earth and demonstrates the interconnectedness of all organisms through evolutionary history.
Common ancestry is supported by various scientific evidence, including comparative anatomy, genetics, and the fossil record, which show similarities among different species that can be explained by divergence from a common ancestor. For example, humans, chimpanzees, and other primates share a common ancestor that lived millions of years ago, leading to the diverse evolutionary paths observed in modern species.
Overall, the concept of common ancestry helps to explain the diversity of life on Earth and demonstrates the interconnectedness of all organisms through evolutionary history.