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Are reptiles vertebrates or invertebrates?
Second to birds and fish, reptiles represent the largest category of vertebrate animals on earth, comprised of over 10,000 species. As vertebrates, reptiles have a backbone but do not have an outer (Exo)skeleton.
What is a vertebrate?
The Origin Of Vertebrates And The Rise Of Fishes The Vertebrates The Vertebrates are distinguished from other animals primarily by the presence of bone: 1. Bone is a tissue unique to vertebrates. 2. It is a strong, hard material that is a composite of inorganic calcium phosphate mineral crystals plus organic collagen fibers.
Is fish an animal or plant?
The animals you know as FISH are actually several different animals – some agnathans and some gnathostomes. In other words, fish is a common name, like worm, and not a taxonomic name. The fish include
What class of animal is a fish?
The animals you know as FISH are actually several different animals – some agnathans and some gnathostomes. In other words, fish is a common name, like worm, and not a taxonomic name. The fish include 1. All of the Superclass Agnatha – Jawless Fish 2. Some of the Superclass Gnathostoma – Jawed Vertebrates a. Class Acanthodia b. Class Placodermi