New anatomical traits typically arise by modification of existing structures. This process constrains animal body plans and can produce structures with less than optimal function. Use an example of wings to demonstrate this point.

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The Answer of New anatomical traits typically arise by modification of existing structures. This process constrains animal body plans and can produce structures with less than optimal function. Use an example of wings to demonstrate this point.

New Anatomical Traits Typically Arise by Modification of Existing Structures