What features set early hominins apart from other primates

Bipedalism, tool making and use, and a larger brain were the key differences between early hominids and other primates.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs