William McIntosh was a controversial chief of the Lower Creeks in early-nineteenth-century Georgia. ... His participation in the drafting and signing of the Treaty of Indian Springs of 1825 led to his execution by a contingent of Upper Creeks led by Chief Manawa........................................................
Explanation:
1.) Competition reduces population abundance.
2.) competition increases the risk of extinction when environmental conditions change.
3.)it affect the quantity of nutrients needed by the plant.
John F kennedy was assassinated on November 22, 1963
