Chapter 24, Problem 6FIB

Three major groups within the mollusks are the two-shelled dams and scallops called __________; the foot-crawling snails and slugs called __________; and the tentacled squid and octopuses called __________. Members of the largest animal phylum are called __________. Three important groups within this phylum are the six-legged, often flying __________; the eight-legged spiders and mites called __________; and the mostly aquatic __________.