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.
The vast majority of the bacteria in the body are rendered harmless by the protective effects of the immune system, and some are beneficial. However, several species of bacteria are pathogenic and cause infectious diseases, including cholera, syphilis, anthrax, leprosy, and bubonic plague.f bacteria form a parasitic association with other organisms, they are classed as pathogens. Pathogenic bacteria are a major cause of human death and disease and cause infections such as tetanus, typhoid fever, diphtheria, syphilis, cholera, foodborne illness, leprosy and tuberculosis.