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Sonora Desert Ecosystem

We explore the environment of this Arizona desert and focus mainly on the Bark Scorpion
by

Jacob Shaver

on 9 April 2011

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Transcript of Sonora Desert Ecosystem

The Sonoran Desert in Arizona My biome is the Sonoran Desert in Arizona. It has an average rainfall of 3 to 6 inches a year, which is pretty good for a desert. Because of this exceptional amount of rain, the temperature stays fairly mild; only 84 degrees in the summer! During the winter the tempeture can drop to 54 degrees, and even colder every night, when it plumments to 32 degrees Fahrenheit. This is the main animal of my project, the Sonoran Bark Scorpion. Because this creature lives in the desert, it must indure a dryt sandy environment. This scorpion can be found under rocks, in crevices, trees, and human dwellings. These are all ways it avoids the harsh desert. The Bark Scorpion is a carnivorous arachnid, eating crickets, centipedes, spiders, and sometimes, even other scorpions. Food Chain- Sun Buffelgrass Cricket Bark Scorpion Food Web- Pygmy Owl Bark Scorpion Shrew Grasshopper Mouse Cricket Ant Grasshopper Saguaro
Cactus Buffelgrass Buffelgrass The Bark Scorpion has many apadtations that help it survive the cruel Sonora Desert, such as a layer of fat under it's layered exoskeleton shell that retains water to indure the heat. Another adaptation of this arachnid is it's "hairs" on it's legs and other body parts that can sense vibrations from living things. This helps them find prey. It can also walk up walls,allowing them to escape from most predators. A great example of a symbiotic relationship in this Arizona desert is the commensalism between a Gila Woodpecker and the Sag-uaro Cactus. The bird pecks out a nest in the cactus. The woodpecker has a nest, the Saguaro isn't affected. This shows how the Bark Scorpion kills it's prey. Humans have had little affect on this ecosystem, but we sometimes take away the homes of some animals by development of our own. On the brightside, we havn't majorly tarnished the beautiful ecosystem of the Sonoran Desert of Arizona.
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