Question

To which group of invertebrates do cephalopods, such as squids, belong?Question 7 options:ArthropodsEchinodermsCnidariansMollusks

Answer 1

To answer this question we need to remember a bit of each group:

Arthropods: This is composed of organisms with an exoskeleton like insects or crabs.

Echinoderms: This is composed of organisms with radial symmetry like starfish.

Cnidarians: This is composed of organisms that possess cnidoblasts like jellyfish.

Mollusks: This is composed of organisms with hard shells, squids, and octopuses even when they don´t look like belong to this phylum as in the inner part of the trunk and head there is a reminiscence of the hard shell, therefore this is the correct answer.