A muscular foot, visceral mass, and a mantle are body regions common to allMultiple choice question.annelids.flatworms.mollusks.roundworms.

Select the three major body regions present in all mollusks.Multiple select question.tentaclesmantlemuscular foottailvisceral mass

What group of arthropods includes members that have clawlike mouthparts, two major body regions, the abdomen and a fused head and thorax, and four or more pairs of walking legs?Multiple choice question.centipedescheliceratestrilobitesmandibulates

The two broad groups that animals have been divided into based on the presence or absence of a backbone areMultiple choice question.roundworms and flatworms.autotrophs and heterotrophs.vertebrates and invertebrates.deuterostomes and protostomes.

Head, Foot and Visceral mass- this combination of characters is diagnostic feature ofA Echinoderms B Arthropods C Mollusca D Annelida

Members of what phylum are characterized by a diploblastic, radially symmetrical body plan and, while not having organs and organ systems, possess distinct tissues?Multiple choice question.RotiferaBryozoaPoriferaCnidaria