Animal Kingdom Question 68

68. Which one of the following is a matching set of a phylum and its three examples?

(a) Platyhelminthes - Planaria, Schistosoma, Enterobius

(b) Mollusca - Loligo, Teredo, Octopus

(c) Porifera - Spongilla, Euplectella, Pennatula

(d) Cnidaria - Bonellia, Physalia, Aurelia

Show Answer

Answer : b

Hints & Solutions

(b) Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. The members are known as molluscs or mollusks. Around 85,000 extant species of molluscs are recognized. They are soft-bodied, bilaterally symmetrical, segmented, coelomate animals; usually shelled having a mantle, ventral foot, anterior head, and a dorsal visceral mass.