Problem 1: What is salinity and what is the average salinity of the world's oceans in parts per thousand (also indicated as ppt or ‰).?
Problem 2: What two factors affect seawater density and which has the greater influence?
Problem 3: Define the terms: a.) thermocline, b.) pycnocline c.) nekton d.) plankton e.) benthos f.) photic zone g.) intertidal zone
Problem 4: Are organisms that feed through a food chain or food web more likely to survive?