Answer:
Wolves are animals who usually eat dead animals, so they clear the forests of dead corpses. 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. Deer and elk populations increased substantially, resulting in overgrazing, particularly of willows and other vegetation important to soil and riverbank structure, leaving the landscape vulnerable to erosion. Without wolves, the entire ecosystem of the park suffered.
He served in office from Jan. 20th, 1961 to Nov. 22nd, 1963.
There were several different positive outcomes of the Apollo Space Program including:
1) The United States put a man on the moon- Thanks to a huge amount of government funding, the US was able to put a man on the moon before the end of the 1960's. This famous moon landing in 1969 showed America's technological and scientific superiority to the entire world.
2) Increased funding for public education- Due to the competition between the US and Soviet Union during this time, the federal government poured hundreds of millions of dollars into public education. This funding was supposed to encourage students to get interested in the fields of science and mathematics.
