Transcript Document

Deserts
Climate: seasons are generally warm
throughout the year and very hot in the
summer. The winters usually bring little
precipitation. Temperatures exhibit daily
extremes because the atmosphere contains
little humidity to block the Sun’s ray.
Deserts are dry. There are very few clouds.
Two kinds of deserts:
Hot deserts
Cold deserts
Hot deserts
Temperatures are very warm all year round
The summers are very hot
Cold deserts
Short, warm summers
Long, cold winters
Found in places near the north and south poles
Many of the animals in the desert have become
nocturnal because of the extreme heat.
Both plants and animals have learned to store
water, avoid heat by staying underground, and
taking water from nearby plants.
Desert Animals
There are many animals in the desert.
They can survive by eating other animals or by
eating plants that store water.
To protect them from the hot sun, they stay in
the shade or in their shelter.
Animals may build their shelters inside plants.
Some animals sleep during the day and are
active at night.
Some animals have hard shells to protect them
from losing much water.
More animals live in hot deserts than in cold
deserts.
The animals include snakes, owls, mice,
armadillo lizards, fennec foxes, gila
monsters, bats, and vultures.
Anteater
Camel
Roadrunner
Gila monster (lizard)
Scorpion
There are several plants that are able to
survive in the desert.
Most plants survive by their long roots to
reach underground water sources.
Desert Plants
They usually grow close to the ground.
These plants have special parts that help
them save water.
The special parts are: thick stem, shallow
and wide roots, and thick skin covered
with spines instead of leaves.
Weird Facts
The Gobi Desert is cold almost all year round.
Deserts spread through desertification. This happens
when grasslands surrounding deserts become dry.
Some deserts have gotten nicknames such as Death
Valley because of the lack of water.
Oasis
Oases are parts of the desert where plants grow and
water is almost always available.
An oasis is formed by a pool of water trapped between
layers of rock and the desert floor.
The water can allow people to settle and even grow
crops in the desert.