Desert poster cssl

The Desert EcosystemA dry hot area is called a desert. An area thatborders a desert is called a desert scrub.Deserts range from dry to dry to hot to cold andthey receive very little precipitation. There aredifferent plants and animals that are found atdifferent deserts all around the world. During theday deserts are hot but temperatures fall to40-50 degrees or more during the night. This isdue to the lack of evaporation in the atmosphereand heat escapes easily at night. During the dayevaporation is blocked by sunlight. Deserts are30 degrees north and south from the equator. Characteristics of a hot and dry desert:Atmosphere contains very little humiditytherefore rays of the sun are not really blocked. The Sahara desertMean temperatures: 20 to 25 degrees. • It is the world largestEvaporation is greater than rain fall (rain often hot desertevaporates even before it reaches the ground). • Temperature: range from over 130 degree to below freezing • Foxes, Dama Gazelles and Saharan Horned vipers are just some of the animals that Small desert animals, such as the kangaroo rat, live in small holes Soil in the desert is under ground during the day and come out mainly made up of sand Annual average rainfall is about 250mm. This only when it’s dusk or night time; when it is and bits of rock. It has shows in 5% of Earth’s surface has this amount of cooler. Being small makes it easier for them almost no organic content rainfall. In winter, the wind is very strong and harshly to lose heat from their bodies. Small desertand not many plants can snowy days continue. In summer time average mammals have special adaptations to theirsurvive in this soil. It tends temperature is 41-43℃. Often there is no rainfall for kidneys so that they excrete urine thatto become alkaline near years, but having sudden flooding for few days. contains very little water. Other mammalswater sources and most have light coloured coats which reflect moreplants cannot survive in Influence of climate is different by different animals, light. Not only do pale colours ensure thatthese conditions, though but they all have structure of body for absorbing and the animal takes in less heat from thesome, like the date palm, conserving water easily. Plants are short and having environment, it also helps them blend in thecan. As a result, the desert thorn, small leaves, gray to light green colour and desert surroundings. Reptiles have a naturalis not a very vegetated deep roots. Having smallest mass as possible, adaptation, they have thick skin that closing air hole for daytime and having special minimizes water loss. Some lizards may vessels for keeping water. have longer legs, so they absorb less surface heat while running. Plants have deep or wide For animals, they drink water if possible, but they eat root system to collect as much water as possible. Also they need to make sure they

Desert poster cssl

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