An aquifer is an underground layer of water-bearing porous stone, earth, or gravel.
Primary producers are plants or foliage that are at the beginning of every food chain/web. A primary producer is always eaten by a herbivore in ecology.
Denitrification is the process of releasing nitrogen back into the atmosphere. It may also be nitrates transforming into nitrogen.
They consume carbon from the producer. hope that helped!
They play an important role in the carbon cycle They play an important role in the carbon cycle
Food, water and not to be eaten by lions!
if not from the atmosphere , they must depend on a process called nitrogen fixation.
They get it from the soil. That's why farmers add fertilizer to the soil to increase nitrogen content
When primary and secondary consumers die secondary rebuilds
Plants in the forest are a very important factor in the carbon cycle. These plants function as the filter that takes in carbon dioxide and creates oxygen with it.
Since you do not tell us what "the following" are, the question cannot be answered here.
Petroleum is already a separated fossil fuel.