From your reading, you know that different colors of light are absorbed at different depths in the ocean, and only certain wavelengths of light can penetrate the deep sea.What color should a deep-sea creature be, then, to remain unseen and camouflaged in its environment?

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.