rezumat textul: Animals can live in many different places of the world because they
have special adaptations to the area they live in. An adaptation is a way
an animal's body helps it survive, or live, in its environment.
Camels have many adaptations that allow them to live success-
fully in desert conditions. Deserts are hot and dry. Winds blow sand
other. On all around, so a camel has long eyelashes that keep sand out of the
camel's eyes. Thick eyebrows shield the eyes from the desert sun. A
camel can go a week or more without water, and they can last for several
months without food. They can drink up to 32 gallons (46 litres) of water
at one drinking session! Camels store fat in their humps. The fat can be
metabolised for energy.
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Some other desert creatures possess an even more amazing ability
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they are able to live their entire life without drinking any water. These
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are kangaroo rats (genus Dipodomys), some unique wonders of creation. Kangaroo rats are small rodents with
large heads and
eyes and long tufted tails. They live in dry
, hot
, desert habitats. They can be found in Canada, the
United States, and Mexico. They make their homes in dry, sandy or rocky soil with little to no vegetation. As their
name suggests, they have powerful hind legs that allow them to jump like a kangaroo. Kangaroo rats can survive
on a diet of dry seeds and obtain all the moisture they need from their
metabolic water.
They are able to do this
because of their well-adapted body systems, which are highly efficient in conserving water. Kangaroo rats do not
have sweat glands and do not pant, preventing them from losing water due to evaporation. Kangaroo rats spend
hat should the hot days inside their extensive underground burrows. The humidity is much higher inside the burrows, pre-
venting the kangaroo rats from losing as much moisture through respiration as they would in the dry desert air.
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