<span>The most dominant chemolithotrophs in pelagic waters are ammonia-oxidizing archaea. The first step in nitrification is performed by ammonia oxidising microorganisms that convert ammonia into nitrite ions. Science has known about nitrifying bacteria for over a hundred years now thanks to the discovery of S. Winogradsky.</span>
That's how the food chain works. There isn't much to it.
Answer:
The higher levels in the pyramid will receive less energy.
The lower levels in the pyramid will have less predation.
The rain forest will have a lot of rain and snakes and the sahel will not