Whereas Earth has only one satellite (aka. the Moon), Mars has two small moons: Phobos and Deimos. And whereas the vast majority of moons in our Solar System are large enough to become round spheres similar to our own Moon, Phobos and Deimos are asteroid-sized and misshapen in appearance.
Microorganisms, like certain bacteria and yeasts, living on the human skin or in the nose, mouth, throat, small and large intestine and vagina, are part of the normal human flora; they prevent overgrowth of harmful microorganisms. Some of these microbes, when overgrow, may become pathogenic, though.
www.safewater.org  While some microbes play an important part in our daily lives by keeping us healthy, others are nothing but bad news. These âbad-newsâ microbes are called disease-causing microbes and can make humans, animals and plants sick by causing infection and disease.Most microbes belong to four major groups: bacteria, viruses, protozoa or fungi.(To find out more, see the âBacteria/Viruses/Protozoaâ fact sheets).ww.safewater.org  While some microbes play an important part in our daily lives by keeping us healthy, others are nothing but bad news. These âbad-newsâ microbes are called disease-causing microbes and can make humans, animals and plants sick by causing infection and disease.