Question

What would happen to the nitrogen cycle if bacteria was no longer present

Answer 1

The simplest way to explain it is:

Without bacteria, the nitrogen cycle would stop.

Bacteria is responsible for converting ammonia into nitrogen in soil. The nitrogen feeds plants which all go hand-in-hand with all of the Earth's cycles.

Answer 2

Answer: Without bacteria around to break down biological waste, it would build up. And dead organisms wouldn't return their nutrients back to the system.

Step-by-step explanation: