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Girl Holding a Lobster

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Lobsters are invertebrates with a hard protective exoskeleton. Like most arthropods, lobsters must moult in order to grow, which leaves them vulnerable. During the moulting process, several species change colour. Lobsters have ten walking legs; the front three pairs bear claws, the first of which are larger than the others.  Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin which contains copper. In contrast, vertebrates and many other animals have red blood from iron-rich hemoglobin.



Boy Holding A Snake

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Herpetology (from Greek 'herpien' meaning 'to creep') is the branch of zoology concerned with the study of amphibians (including frogs, toads, salamanders, newts, and caecilians (gymnophiona) and reptiles (including snakes, lizards, amphisbaenids, turtles, terrapins, tortoises, crocodilians, and the tuataras)