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Physiological Adaptations Of The Cheetah A Savanna Essay

Physiological Adaptations of the Cheetah A Savanna is an ecosystem of grassland dotted with a variety of shrubs and individual trees. They are sometimes called tropical grasslands and are "found in a wide band on either side of the equator on the edges of tropical rainforests." (Savanna) The climate is divided into two seasons, a dry winter where temperatures range from 68? To 78?, and a wetter hotter summer where the temperature reaches an average of 78? To 86?. (Savanna) An example of such a Savanna is the Serengeti Plains of Tanzania, which is home to a number of animal species specifically adapted to it. Among these animals are large herbivores, which feed on the plentiful grasses, and carnivores, which feed on the herbivores. One such carnivore is the cheetah, or Acinonyx jubatus, a member of the feline family and an example of an organism that is specifically adapted to its environment.

The cheetah is the fastest land animal on Earth and can reach top speeds of 65 to 70 mph. As a result, the anatomy of a cheetah "reflects a strong specialization in adaptation for speed." ("Cheetah" Bluelion.org) Speed is necessary because cheetahs hunt by chasing their prey until they are close enough to swipe at its back legs, tripping the animal and allowing the cheetah to catch...

To facilitate running, the cheetah's body is long, slender, and lanky with a smaller, flatter ribcage which allows for a freer movement of the legs. In addition, the lungs and the nasal passages are larger which helps more air to enter the lungs providing a more efficient oxygen exchange system. This is important because a Savanna is a hot environment and running expends a great deal of oxygen. The cheetah's body temperature increases when running and can reach a point where it can cause brain damage. These adaptations for better oxygen exchange allow the cheetah to run quickly but not overheat.
When running, the cheetah not only must be faster than its prey, but also make quick stops and turns; this is why its claws do not retract and allow for better traction when making fast turns. The cheetah also has a specialized pointed pad on the back side of each front leg to help the animal when stopping quickly. "The cheetah can slam its two front legs down hard…the pads tear into the ground bringing the cat to a near instantaneous halt." ("Cheetah" Lions.org) Cheetahs are different from other members of the cat family as they have long, limber legs with strong muscles; enabling the cheetah to run with long strides and giving it great speed. It also has…

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References

"Cheetah." Bluelion.org: Extinct and Extant Wildlife. Retrieved from http://www.bluelion.org/cheetah.htm

"Cheetah." Lions.org. Retrieved from http://www.lions.org/cheetah.html

"Savanna." Blue Planet Biomes. Retrieved from http://www.blueplanetbiomes.org/savanna_climate_page.htm
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