Question

13. The gastropod that lacks a shell is the

a. Cuttlefish
b. Nudibranch
c. Nautilus
d. Squid

Answer 1

Best Option: (D) Squid

Step-by-step explanation:

Each of these animals has a shell. The cuttlefish, Nudibranch and Nautilus all have shells on the outside of their bodies. The squid does not have a shell on the outside of their body, but it has an internal shell. This is called a pen.

Each of these animals has a shell, but the only one that has an internal shell is the squid.