How is Marine Life Classified by Location? With help from the crew of the Krusty Krab, this Question Exploration explains how marine life in the open oceans (and Bikini Bottom) is either plankton, nekton, or benthos, like the characters from Nickelodeon's "Spongebob Squarepants."Question Exploration Routines are instructional methods that teachers can use to help a diverse student population understand a body of content information by carefully answering a critical question to arrive at a main i