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?

A.
Category A: Oceans; Category B: Algae
B.
Category A: Range; Category B: Feeding
C.
Category A: Habitat; Category B: Characteristics
D.
Category A: Where It Lives; Category B: What It Does