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Scorpions

2013-11-13 来源: 类别: 更多范文

Scorpions Scorpions are of the class Arachnid. They are considered to be relatives of the spiders, mites, and ticks. There are about 1,300 species of scorpions in the world. Scorpions live in the deserts, but also they can occur in many other habitats, such as grasslands, savannas, forests, and caves. Also scorpions have been found in the Himalayas of Asia and Andes Mountains of South America. They live there under the rocks that are covered with snow at elevation over 12,000 feet. There are about 90 species in the U.S. They have a flat, narrow body. Scorpions have mouth (chelicerae), a pair of pedipalps, and four pairs of legs. The pedipalps are used for capture and defense. Their body is divided into two main regions. They are called a cephalothorax and an abdomen. The scorpions’ bodes are covered with sensory hair. Also scorpions have a pair of median eyes and two to five pairs of lateral eyes. The abdomen consists of twelve distinct segments, and the last five refer to tail. At the end of the abdomen there is a telson, and it contains the venom gland. Long tailed scorpions can reach a length of eight inches. Such scorpions live in scorpions, species, live, about, venom, scorpion, young, two, south, legs, found, five, different, birth, abdomen, years, vibrations, united, states, spiders, small, sensitive, ritual, pedipalps, pairs, pair, one, mouth, mother’s, mother, mixture, long, hair, female, feel, eyes
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