This seminal program is widely suitable for senior level primary science, lower secondary science and at an introductory level in Marine Studies university courses. It looks at the basic lifestyles of organisms in the sea. The first three lifestyles are the most fundamental drifters, swimmers and bottom dwellers. The second three are the basis of all food webs producers, consumers and decomposers. These 3 X 3 basic rules give us a fundamental way of understanding how any ocean ecosystem works.