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Desert animal: tarantula,yellow-spotted lizard,rattlesnake,scorpion

english project

Nicolas Farrese

on 30 January 2013

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Transcript of Desert animal: tarantula,yellow-spotted lizard,rattlesnake,scorpion

Desert animals tarantula scorpion rattlesnake Tarantulas live in the southern and western parts of the United States, in Central America, in all South America, Africa, much part of Asia and all of Australia.

Tarantulas eat insects and other arthropods. The biggest tarantulas can kill animals as large as lizards, mice, birds and small snakes. yellow-spotted lizard Uncommon in the exotic pet trade, yellow spotted night lizards are aggressive and supply a painful bite to anyone who may handle them. Offspring born by parthenogenesis are handleable if they are acclimated early in life. Young bark lizards can coexist with like-sized species who enjoy a similar warm and humid climate. Adult bark lizards can not be tamed by handling alone, and will damage their nostrum, or nose scale, if kept in a glass enclosure near a high traffic area or not provided with suitable daytime shelter. The most common issue with adults is shedding problems, particularly after they give birth, and if humidity is not kept constant. Scorpions have developed many ways to survive in the desert. They have developed the ability to slow down their metabolism. This allows them to survive on as little as one insect per year. This ability also allows them to shelter from the sun and heat for extended periods of time, using only little amounts of oxygen. Many people also believe that their claws, or pincers, were once front legs that have turned into what they now are by going through evolution. Nevertheless, the scorpions' claws play a crucial part in their hunting and mating rituals. Scorpions also possess a special, feather-like pair of organs, called pectines that they use to sense even the smallest of movements around them. This allows them to effectively track down and hunt their prey, either above or below the surface. This also warns them of possible dangers, such as other bigger hunters. The scorpion’s most feared and recognized feature is its sting. The sting contains a neurotoxin, which the scorpion uses to paralyze the victim, so it would be easier to kill and eat. They also stay hidden under rocks and that makes their body temperature cool. The rattlesnake is a kind of snake, a reptile. About 50 kinds of rattlesnakes are known. They are a kind of pit viper. People of science call the two big groups of rattlesnakes (each called a genus) either Crotalus or Sistrurus. All of them have a poison bite, but some kinds are a much greater danger than others.

The name rattlesnake is used because they have a special tail with several parts on the end that can make a loud bzzzz sound, or rattle.

Rattlesnakes live in North and South America, especially, but not always, in dry areas. They eat small animals such as birds and rodents.
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