The ocean absorbs large quantities of carbon dioxide and marine animals (both those living now and those living millions of years ago) have used and incorporated this carbon in their exoskeletons.These processes have had what effect(s) on the earth's atmosphere?

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.