EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Genetic drift
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Gene flow
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Co-evolution
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Natural Selection
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Detailed explanation-1: -When wolves were brought back to the park, they not only killed elk, but also changed their prey’s behavior patterns. The herbivores started to avoid areas like valleys and gorges where they could be easily hunted by predators.
Detailed explanation-2: -Wolf reintroduction caused unanticipated change in Yellowstone. It rebalanced elk and deer populations, allowing the willows and aspen to return to the landscape. The end to overgrazing stabilized riverbanks and rivers recovered and flowed in new directions.
Detailed explanation-3: -Since 1995, when wolves were reintroduced to the American West, research has shown that in many places they have helped revitalize and restore ecosystems. They improve habitat and increase populations of countless species from birds of prey to pronghorn, and even trout.
Detailed explanation-4: -The Effects of the Reintroduction of Wolves In the years that followed, wolves brought the elk population down and protected the open valleys from overgrazing.