Question

You find what you believe is a new species of animal. Which of the following characteristics would enable you to argue that it is more closely related to a flatworm (Phylum Platyhelminthes) than it is to a roundworm (Phylum Nematoda)?a) The embryo is triploblastic.b) It is shaped like a worm.c) It has bilateral symmetry.d) It has no coelom.e) It has a mouth and an anus.

Answer 1

A) The embryo is triploblastic.

Step-by-step explanation:

Flatworms are considered triploblastic, meaning there are three germ layers in the embryo (ectoderm,endoderm and mesoderm).