試題詳解

33. Many fungi produce antibiotics, for example, penicillin, that stop bacterial growth. Which is the evolutionary advantage to the fungus of secreting antibacterial chemicals?
(A)defense: preventing bacteria from infecting the fungus
(B)defense: preventing bacteria from killing fungal spores
(C)predation: consuming the bacteria
(D) symbiosis: attracting helpful bacteria
(E)competition: destroying bacteria that compete for their food