Virus is a microscopic organism that lives in a cell of another living thing. Although viruses are extremely small and simple, they are a major cause of disease. Some viruses infect human beings with such diseases as measles, influenza, and the common cold.
Passive Mobs. Passive mobs are composed of creatures that will never, under any circumstances, attack the player. Some passive mobs can be bred to create more of them, e.g. pigs can be bred to effectively farm them.
Suckers may also develop from corn plants, and sometimes they may even produce an ear. Usually two ears grow on each corn plant. Once pollinated, corn matures rapidly, usually 15-20 days after the first silks appear. Cultivating Corn. Corn must be kept weed free, and shallow cultivation is important until the tassels appear. Then stop cultivating.