Quick Answer. Crops grown in the Maryland colony included tobacco, corn, soybeans, other vegetables and grains. Tobacco was the main cash crop in colonial Maryland. By the 1700s, tobacco had become such big business that the Acts of Assembly forced landowners to grow other crops, such as corn and grains, that could be used for food.
Bacterial diseases are caused by harmful bacteria (pathogenic bacteria). The vast majority of bacteria do not cause disease, and many bacteria are actually helpful and even necessary for good health.
Communicable diseases are diseases that are caused by bacteria, virus, fungus, or parasites. They are spread from person to person, or animal to person, through direct or indirect contact. Pathogens. A pathogen is an infection causing agent (germ). Pathogens are the cause of communicable diseases. Bacteria, viruses, fungus, and parasites can all be pathogens. The most common pathogens are bacteria and viruses. Causative agent- This is the disease causing agent (bacteria, virus, fungus, parasite).