PhysOrg Posted May 19, 2022 Share Posted May 19, 2022 No vertebrate (fish, mammal, bird, reptile, or amphibian) has ever had an odd number of limbs. Despite this "forbidden phenotype," some animals seem to use other body parts as a third or fifth "limb" to move from one place to another.View the full article Quote Link to comment Share on other sites More sharing options...
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