Mass extermination of wolves in a number of regions led to a decrease in the number of ungulates, such as deer. How can this be explained?

bystudin | May 30, 2020 | Education

1) Wolves play the role of orderlies, destroy sick and weak animals, performing the role of natural selection.
2) The disappearance of wolves leads to the spread of diseases among ungulates and a decrease in their number.
3) Due to the lack of predators, ungulates actively breed and competition between them intensifies, as a result of which many individuals die.

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