Monday, March 9, 2009

Desert ecosystem

Desert ecosystem:~
♫ Desert plants and animals have adapted well to the arid climate by having structure which can reduce water loss and store water. Solar energy that green plants convert into food fuels life here. Although in most ecosystems plants compete for sunlight, here most plants are adapted to minimize the effects of too much solar energy.

♪ Examples such as:~

► Cacti~ They have to hold water inside them to stay alive. Cacti are the most
famous desert plants.

► Some of the animals neither drink nor excrete sweat.( They use the water in food
repeatly)~ Examples: Camel

► Some animals spend the day in the burrows and go out at night.

► After a rainfall, part of the desert changes into a beautiful garden.



ΨThe above picture is an example of an undisturbed desert ecosystem with a healthy distribution of shrubs and grasses.

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