Maive is collecting information about coral reefs and has organized her notes into two broad categories. Category A • found in tropical and subtropical oceans • usually live at depth of less than 150 ft. • warm, stable water temperatures 64–86° F • cover less than 0.2% of oceans Category B • 90% of energy comes from symbiotic algae • eat small fishes and microscopic plankton • generally feed at night • tentacles sting and trap prey What labels should Maive give to her categories?