Dolphin is the name of a group of sea animals tight realated to whales an porpoises. akin whales and porpoises, dolphins ar mammals, not fish. Mammals, unlike fish, feed their unfledged with milk that is produced in the mothers body. Also unlike the fish, dolphins tolerate lungs and be crank blooded, that is, their body temperature always stays about the same, unheeding of the temperature of their surroundings. more scientists believe that the dolphins rank among the nigh intelligent animals, on with chimpanzees and dogs. Â Â Â Â Â Â Â Â Dolphins, whales, and porpoises are members of a group of mammals called cetaceans. Dolphins and porpoises are very exchangeable in appearance. Their chief difference occur in the snob and teeth. Dolphins have a beak like snout and strobile do teeth. Porpoises have a rounded snout and a apartment or spade shaped teeth. Â Â Â Â Â Â Â Â Scientists apply the bourn dolphin to two families of cetaceans, shipboard sol dier dolphins and river dolphins. There are thirty-two species of marine dolphins. They are found in to the highest degree all oceans, and nearly of them put out only in saltiness water. Many species of marine dolphins remain near land for most of their lives, but close to live in open sea. River dolphins live in recent or slightly salty water. Â Â Â Â Â Â Â Â The charity between dolphins and race goes back thousands of years.

Ancient Greek artists embellish coins, pottery, and walls with pictures of dolphins, and the animals appear in Greek and Roman mythology. The ancient Greeks considered the plebeian dolphin set apart to the god Apollo. For centuries, sailors have regarded the carriage of dolphins near! ships as a sign of a polish up voyage. Â Â Â Â Â Â Â Â On the other hand, hunters of some(prenominal) nations, including Sri Lanka and Japan, kill thousands of dolphins annually. The dolphins provide meat eaten by people and animals, and the cover from their bodies is used... If you want to get a safe essay, order it on our website:
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