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Chuckwalla are large, plump lizards that have loose folds of skin around the neck and shoulders. These diurnal lizards emerge in the morning and, before seeking food, bask in the sun until an optimum body temperature of 100 - 105 degrees F. is reached.
The Desert Food Chain
A food chain constitutes a complex network of organisms, from plants to animals, through which energy, derived from the sun, flows in the form of organic matter and dissipates in the form of waste heat.
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DesertUSA is a comprehensive resource about the North American deserts and Southwest destinations. Learn about desert biomes while you discover how desert plants and animals learn to adapt to the harsh desert environment. Find travel information about national parks, state parks, BLM land, and Southwest cities and towns located in or near the desert regions of the United States. Access maps and information about the Sonoran Desert, Mojave Desert, Great Basin Desert, and Chihuahuan Desert.
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