Question

Phylogeny of platyhelminthes

Answer 1

(a) These are flat worms.

(b) Most of them are parasites.

(c) Animals are triploblastic

(d) No true internal body cavity.

E.g., Tapeworm, planaria, Liver fluke.

Answer 2

Answer:

The interrelationships of the flatworms (phylum Platyhelminthes) are poorly resolved despite decades of morphological and molecular phylogenetic studies [1, 2]. ... Our phylogenetic analyses show that Platyhelminthes consist of the two clades Catenulida and Rhabditophora.