period+1+desert+dybka



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Characteristics of a desert biome
Deserts cover about one fifth of the worlds surface.Although most all deserts hot and dry but there are others deserts with extreme dry and cold deserts also.Deserts have a high soil content.Deserts have either extremely low or high temperatures.They also have very low amount of rain fall.Deserts have few but deadly threats to there biome.There is not to many wild life that can survive in harsh conditions.

The temperature and rain fall of a the deserts.
====The temperature of a desert vary s from where it it is located.Whether they are hot or cold the deserts whether conditions are very extreme.the deserts usually exhibit this behavior because of its low humidity.The desert temperature also vary s on the time day,during the day extremely. hot temperatures and during the night extremely cold temperatures.==== In the desert there is a low amount of rainfall.Also when it rains it is only for a short amount of time.Between these rainy periods there is a long time with out.The usual amount of rainfall in a desert is 28cm of rainfall a year.

Animals and plants of the desert.
There are wild range of animals in the desert but not many large mammals.It mostly contains small insect and amphibian animals hide during the day and forage at night.If they do come out during the day they usually stay under the shade.Even know they are well adapted the wild life still has a hard time surviving. Even though it doesn't look like it the desert is highly fertile.Even know it is fertile there is not enough rain to support the vegetation.Most plants that do live there are sruns or small trees.The plants that do live there usually have some form of protective barrier to protect them from the sand and heat.Also some plants have spiny needles to protective themselves.

Desert threats
There are not may threats but some deadly threats.First off wild fires.The extreme heat some sets plants on fire.Another thraet is the lack of rain fall which can cause droughts.the most dangerous of all is peoplle.thet kill the wild and destroy there homes.Making human kind the worst threat.

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