Many reasons. Some bacteria are able to thrive under extreme conditions, have the ability to reproduce asexually, or have a variety of metabolic processes.
As part of the water cycle, this process is known as evaporation! :)
Answer:
In mitosis you start with the full amount of chromosomes 46 (also known as 2n or diploid). Then the resulting daughter cells also have the full amount of chromosomes present, 46.
The nitrogen cycle. Animal and plant waste decomposes and adds nitrogen to the soil, which bacteria convert into a form that plants use to grow. Animals eat the plants, which completes the cycle.
