Arthropods are an incredibly successful group of animals. This is thought to be primarily due to the diversity in feeding appendages found in groups of arthropods. How did the diversity in feeding appendages arise? modification of walking appendages into feeding appendages in anterior-most segments modification of patterns of metamorphosis to allow development of feeding appendages modification of portions of the exoskeleton to make room for feeding appendages modification of feeding appendages into walking appendages in body segments behind the head