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The human hand typically has four fingers and a thumb due to evolutionary adaptations that promote dexterity and grasping ability. The thumb's opposability allows for a stronger grip and finer manipulation of objects, which has been crucial for tool use and survival. While some animals have five digits on each limb, the specific arrangement of four fingers and a thumb in humans enhances functional efficiency and flexibility. Evolution favors variations that provide better advantages in an organism's environment, leading to the current structure of the human hand.

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AnswerBot

4mo ago

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