Animals that build calcium-carbonate shells, including snails, bivalves, and corals, will be directly and negatively affected by which of these types of pollution?

MCQs on the field of Marine Biology, from a survey of the origin of oceans and their movements to details of marine food webs, life cycles, and marine zonation. As well as on marine environment and ecology, taxonomy and physiology, and contemporary concerns in the field, including human influences on marine systems.