Deserts - PowerPoint PPT Presentation

1 / 7
About This Presentation
Title:

Deserts

Description:

Deserts make up one third of the Earths surface. Very little precipitation. Supports a very ... http://travel.webshots.com/photo/1038334227011232646lJrQjh ... – PowerPoint PPT presentation

Number of Views:110
Avg rating:3.0/5.0
Slides: 8
Provided by: aaronb7
Category:
Tags: deserts | webshots

less

Transcript and Presenter's Notes

Title: Deserts


1
Deserts
  • By Andrew Beck and
  • Aaron Bulmer

2
What is a desert?
  • A desert is a arid piece of land.
  • Deserts make up one third of the Earths surface
  • Very little precipitation
  • Supports a very little portion of the worlds
    population

http//www.freenaturepictures.com/pictures/desert-
dunes-1.html
3
Animals in the Desert
  • Most inhabitants are cold blooded animals such
    as
  • Snakes
  • Thorny devil lizards
  • There are also some mammals such as
  • Camels
  • Coyotes

http//www.discoverseaz.com/Wildlife/snakes.html
http//www3.nationalgeographic.com/animals/mammals
/dromedary-camel.html
animaldiversity.ummz.umich.edu/.../coyote.jpg
http//genesispark.org/genpark/devil/devil.htm
4
Vegetation in the desert
  • Very little rainfall causes little vegetation
  • Cacti
  • Yucca plants
  • Mesquites
  • Welwitchia

http//lexicorient.com/e.o/sahara.htm
http//phoenix.about.com/cs/clipartphotos/l/blsagu
aro01.htm
http//www.cs.virginia.edu/jfk3w/travel/wsnm_yucc
a.html
http//travel.webshots.com/photo/10383342270112326
46lJrQjh
5
Weather in the desert
  • Temperature range 134 to 136 degrees Fahrenheit
    daytime
  • As low as -4 degrees Fahrenheit nighttime
  • Precipitation 9 to 35 inches per year

http//www.blueplanetbiomes.org/desert.htm
6
Interesting facts
  • The largest desert is the Sahara desert, it takes
    up 3,250,000 square miles
  • The highest dune discovered was in the Sahara, it
    was 1410 feet tall
  • The driest desert in the world is the Atacama
    desert in S. America at 0.4 inches of annual
    rainfall
  • The tallest cactus recorded is in Arizona, it is
    57 feet 11 inches tall and weighs several tons

http//www.blueplanetbiomes.org/desert.htm
7
Deserts of the world
  • Death valley in the mohave desert
    Sinai desert

http//www.wildnatureimages.com/mojave_desert_phot
os.htm
Sahara desert
http//lexicorient.com/e.o/sahara.htm
Write a Comment
User Comments (0)
About PowerShow.com