Pathogens causes diseases . the more virulent the more dangerous.
Bugs, or sometimes when the tomato is rotton it will form a hole.
A virus is a type of disease-causing organism that is so small it can only be seen using a microscope. Viruses are much smaller than bacteria and can only replicate inside living cells.
Pocahontas died of a disease called small pox.
Its a part of a tree that is dead and rotting away.
Cirrhosis and nodular cirrhosis can cause a small liver. Cirrhosis can be caused by alcohol abuse, hepatitis B and C, fatty liver disease, or something else.
the appendix
No it isn't, a micro organism is a super small organism (living organic matter/being) It's basic Science.
Microorganism means very small sized organism. It can not be seen with naked eye. You have to use microscopes to see it. Polio virus is a virus. Virus are too small as compared to other microorganisms. So polio virus is included in the category of the microorganisms.
Small pox is a contagious disease.
Live vaccines carry a small risk of developing an infectious disease. Inactivated vaccines cannot cause the infectious disease they're meant to prevent.
Pathogenic bacteria are bacteria that cause human illness. Of all species of bacteria in the world, only a small percentage actually cause human disease.
A vector in Biology is a carrier /transporter of a virus fungi or bacteria. For example a plasmid is a vector that carries genetic information to a cell, and the mosquito is the vector of the malaria causing parasite.