Desert Ecosystems with Dr. Sean Graham

Dr. Sean Graham teaches Biology at Sul Ross University in Alpine,
Texas. He is also the author of American Snakes.


This episode was recorded in the desert ecosystem at water level
one mile below the rim in Grand Canyon National Park.


Learn about how the sun, air pressure systems & horse
latitudes create deserts around the world from Australia, Africa
and the Southwest U.S.


How have animals adapted to live in harsh arid environments. How
might you adapt to live in the desert?


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