their weirdness
Trochophore.
Gene based phylogenetic studies indicate that annelids and mollusks share a recent common ancestor
yes
Yes.
have a trochophore
Mollusks and segmented worms have a one-way digestive system, a separate mouth and anus, and their larvae are very similar. This is the best evidence that they have a common ancestor.
Annelids exhibit bilateral symmetry.
Trochophore
This would include the ultrastructure of the cuticle. These creatures share this and many other features with the other annelids.
yes.. animal kingdom include,mammals,reptiles,vertebrates,mollusks,annelids,invertebrates..etc etc
Flatworms, Roundworms, Annelids, Mollusks, and Arthropods
Cnidarians include jellyfish and corals. Cnidarians are less complex than annelids or mollusks because the latter have gills with many layers of tissue.