Question

Platyhelminthes is acoelomates where as annelida is coelmates .What makes these two phylum differ from each other

Answer 1

Answer:

Annelida posses complete digestive system and contain distinct mouth and anus

whereas Platyhelminthes have complete digestive system and has only single opening to the outside of the body that serve as both mouth and anus.

Mostly Platyhelminthes are endopatasite

whereas some Annelids are ectoparasite

Annelids commonly called segmented worms.

whereas Platyhelminthes also called flatworms.

In Platyhelminthes flame cells present for excretion

In Annelids nephridia is present

In Platyhelminthes adhesive organs are present.

while there is no such type of organs in Annelids

Some Platyhelminthes posses a tremendous power of regeneration which is absent in Annelids.