platyhalminthus nematoda annelida mollusca arthropoda echinodermata chordata are bilaterally symmetrical
Anterior refers to the head end of a bilaterally symmetrical animal. The word posterior refers to the rear end or tail end.
Bilaterally symmetrical
because in their larval stage they are bilaterally symmetrical.
Cnidarians are true radially symmetrical animals. They include jellyfish. Echinoderms (like starfish) also display radial symmetry. It is important to note that the larvae of echinoderms are bilaterally symmetrical and that Echinoderms evolved from a bilaterally symmetrical group.
Yes.
Yes!
No,they are bilaterally symmetrical
Yes.
bilaterally symmetrical
The phylum Platyhelminthes, which includes flatworms, consists of worms that are bilaterally symmetrical.
Superior mesenteric vein
Bears are bilaterally symmetrical.