Feb - 02 2020

  The class Chondrichthyes belong to the Phylum Chordata. Chondrichthyes is a class that contains cartilaginous fishes. The animals in this class are jawed vertebrates that have paired fins, paired nares, a two-chambered hear, scales, and a skeleton composed up of cartilage, and a pair of nostrils. Due to their skeleton being made of cartilage, […]

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