As dogs show, tails are useful for visual communication, slapping away flying insects and other functions. Adult apes, including human ancestors, took the tail loss process a step further, Sallan said, "losing the remaining bony tail for better upright movement.
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Answer:
As dogs show, tails are useful for visual communication, slapping away flying insects and other functions. Adult apes, including human ancestors, took the tail loss process a step further, Sallan said, "losing the remaining bony tail for better upright movement.
Explanation:
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