Las diferencias existentes entre los tres grupos de moluscos ayud

There are several subgroups of mollusks, but only three major ones: - the Gastropods, made up mostly of snails and slugs. - the Bivalves, a group including clams, scallops, mussels, and oysters. - the Cephalopods, a group including octopus and squid.

write the options too pls

igualmente (likewise) or el gusto es mio (the pleasure is mine)