Cellular respiration and photosynthesis are key elements of the cycle.

a nutrient
b carbon
c water
d nitrogen

if someone had the list of traits you provided

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.