In 1995, after being locally extinct for over 70 years, wolves were reintroduced
ID: 83006 • Letter: I
Question
In 1995, after being locally extinct for over 70 years, wolves were reintroduced to the park. Over the next several years, wolves spread throughout the park and established several new packs. Wolves' primary prey are elk, but they also eat bison, mule deer and coyotes. Ecologists have been studying how wolf reintroduction has changed the Greater Yellowstone ecosystem. Ecologists knew that wolves preyed upon elk, and that elk often browsed (ate) aspen shoots. Which of these MOST LIKELY happened after the demand for food. As wolves increased the elk population also had to increase to satisfy demand of the wolves. In turn, aspen trees increased to satisfy elk demand for food. Wolves increased, causing a decline in elk. As a result of elk decreasing aspen trees increased. As wolves increased elk decreased drastically, then wolves stopped eating so many elk so that they would not exhaust their food supply. Aspen trees were unaffected. Wolves quickly ate most of the elk but then declined because they had eaten all their food. Aspen trees were unaffected.Explanation / Answer
wolves increased causing decline in elk as a result of elk deceasing aspen trees increased-answer
As the wolf populace in the recreation center has developed, the elk populace, their favored prey, has declined. Before reintroduction, the EIS anticipated that wolves would execute a normal 12 elk for every wolf yearly. This gauge demonstrated too low as wolves are currently slaughtering a normal of 22 elk for each wolf yearly. This decrease in elk has brought about changes in verdure, most particularly willows, cottonwoods and aspens along the edges of intensely timbered ranges. Despite the fact that wolf slaughters are straightforwardly owing to decreases in elk numbers, some examination has demonstrated that elk conduct has been fundamentally adjusted by wolf predation. The steady nearness of wolves have pushed elk into less good living spaces, raised their anxiety level, brought down their sustenance and their general birth rate
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