Read the following scenario and answer the question below.
Between 1907 and 1923, cattle grazing in the Kaibab National forest in Arizona was greatly reduced, deer hunting was eliminated, and predators were killed. Over 600 cougars, 11 wolves (most had already been killed in the 1800s), and 3000 coyotes were trapped or shot. In response, the deer herd began to increase. By 1915, the deer were estimated at 25,000; by 1920 at 50,000; and by 1923 at approximately 100,000.
-Mule deer such as the Kaibab population can live 10 to 25 years. In 1920, an age structure diagram of the Kaibab deer population that places the number of young individuals at the base of a pyramid and the oldest age categories at the top, would look like a(n) .

Question

Quizplus · Accepted Answer

The rapid increase in the deer population from 1907 to 1923, especially noted between 1915 and 1923, suggests a high birth rate and a young population structure. This would result in an age structure diagram shaped like a wide triangle, with a broad base representing a large number of young individuals and a narrow top indicating fewer older individuals.

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