Fact 1: Fungi have special structures for penetrating a host. Fact 2: Bacteria, fungi and viruses invade the host and cause disease. Given the two facts above, what cause disease in hosts?
Available choices: (a). insects; (b). Allergies; (c). Pesticides; (d). cancer; (e). water; (f). colds; (g). animals; (h). bacteria;
(h).