Absorbing prokaryotic cells. This theory is called the endosymbiotic theory.
The early prokaryotic cells that were absorbed likely evolved into mitochondria and chloroplasts, membrane-bound organelles with their own DNA in single chromosomes and their own ribosomes.
The answer is a because they decompose the dead matter and recover the nutrients thereby providing nutrients for plants
A pathogen is a disease carrying vector that has the ability to spread using a variety of different mechanisms. A pathogen that is a contagion has the ability to spread through touch. An example of such a pathogen would be the one that results in staph infections.
Nurse should tell patient to note any time changes and compensate meds to time change, also to check blood glucose at least 4 x a day or more.
It- damages the DNA in skin cells and produces genetic defects that can lead to cancer.