Plz help many microorganisms live in soil. What do all the microorganisms of the same species living in an area's soil make up?

A: a habit
B: an ecosystem
C: a community
D: a population

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

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.