Скачать или смотреть Class Chondrichthyes Part 1: Form and Function

With the jawless vertebrates covered, it's time to move on to the jawed vertebrates, starting with class Chondrichthyes. This class contains the cartilaginous fish, including the sharks, skates, rays, and chimaeras. Everyone loves sharks, so let's learn about them!

Script by Ryan Helcoski

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