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Most vertibrate life on earth follows a 4 limb body plan (in this instance, the wings are two limbs and the legs are the other two). There are a number of mythical creatures with 6 limbs; Pegasus, ...
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Most vertibrate life on earth follows a 4 limb body plan (in this instance, the wings are two limbs and the legs are the other two). There are a number of mythical creatures with 6 limbs; Pegasus, ...