Pathogens causes diseases . the more virulent the more dangerous.
A small increase or decrease in hormone level can cause disease.
Bugs, or sometimes when the tomato is rotton it will form a hole.
Pocahontas died of a disease called small pox.
Similarities:1.Both are very small (measured in nanometers)2.Both can cause disease, or are pathogens. Although some bacteria do not cause 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.
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.
Any organism that causes a disease to it's host is considered to be a pathogen. A pathogen can be a bacteria, virus or a fungus. For example Bacterium -Strep Throat and Meningitis Virus - Hepatitis A, Hepatitis B, Hepatitis C Fungus - Athelete's Foot
Small pox is a contagious disease.