An organism’s particular role in its habitat, or how it makes its living, is called its a. carrying capacity. b. ecosystem. c. competition. d. niche.

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.