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The Desert Ecosystem. Created By Joseph Abad, Sevag Boursalian, Camryn Gallardo, and Davis Lahm. Desert Areas. Desert Ecosystems. Sand dunes Cacti Oasis. Physical Features in Deserts. Desert Food Web. - PowerPoint PPT Presentation
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The Desert EcosystemThe Desert Ecosystem
Created By Joseph Abad, Sevag Boursalian, Camryn Gallardo, and
Davis Lahm
Desert AreasDesert Areas
Desert EcosystemsDesert Ecosystems
Physical Features in DesertsPhysical Features in Deserts • Sand dunes• Cacti• Oasis
Desert Food WebDesert Food WebAnimals that eat insects and plants get
eaten by carnivores, and domesticated animals like camels, get fed oats by humans.
Human Activity in DesertsHuman Activity in Deserts
• “Human activity causes deserts to expand.”• “Rapid loss of fertile land causes deserts to expand.”• “Too much grazing causes plant life to be destroyed.”• “Mining, improper farming methods, and tree
destruction causes desert expansion.”
A Desert Animal A Desert Animal
• The Thorny Devil.
• The Thorny Devil can change its color to catch prey or hide from enemies.
• It is a consumer.
• It is an endangered animal.
• Its many spines make it one of the oddest lizards in the world.
Extension of Desert animalsExtension of Desert animals
• The Banded Gila Monster• Its color can be pink, orange, or red with 4 or 5
black bands.• They can be very shy but can strike back very
fast.• The Banded Gila Monster is a consumer.• It is an endangered animal.• It is a unique animal because one of the two
venomous lizards in the world.
Another Desert AnimalAnother Desert Animal
• Desert Kangaroo Rat• The Desert Kangaroo Rat looks like a mini
kangaroo.• It has a cheek pouch to hold more food.• It is a consumer.• They survive well in the desert.• This animal is unique because of it looks like a
kangaroo and a mouse mixed together.
Last Two Desert AnimalsLast Two Desert Animals• Bobcat• The Bobcat weighs 15-
20lbs.• Its color is a mixture of
white, black, brown, and orange.
• This animal has a great hunting ability.
• It is a consumer.• This animal is unique
because it likes rocky terrain.
• Armadillo Lizard.• This animal has a small,
scaly body.• It feeds on a wide variety
of insects.
• It is an endangered animal.
• It is a consumer.• This animal is unique
because of its ability to roll up into a ball.
Three Very Interesting, Unusual Three Very Interesting, Unusual Desert PlantsDesert Plants
• Saguaro Cactus: Its thick stem and branches help it hold water. Lives for about 200 years. Animals can’t create pollination without this tree.
• Joshua Tree: Can live for about 200 years. If we didn’t have this tree, people who live where it grows would not survive.
• Soaptree Yucca: The plant has been introduced to eastern soil, thanks to its exotic look. It can be found in climates not so hot as the desert. This kind of plant has been used as emergency food for ranchers’ cattle.
• By Botanist Joseph.
TemperatureTemperature
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How the desert is unique and How the desert is unique and precipitation precipitation
• The desert is unique because most deserts are found next to rainforests and it covers one third of the WORLD.
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BibliographyBibliography
• http://www.geocities.com
• http://www.enchantedlearning.com
• http://www.blueplanetbiomes.org
• http://www.mbgnet.net
• And our Brains
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