17. Which of the following statements is/are correct?
A. Leeches are members of the phylum Platyhelminthes
B. All platyhelminthes are parasites of other organisms.
C. Most, if not all, Platyhelminthes lack a coelom.
D. Given the following on the organism:
I. An animal
II. Multicellular
III. has tissues (diploblastic)
IV. Lacks a digestive tract
V. is asymmetrical
This organism could be a member of the Phylum Platyhelminthes
E. Platyhelminthes can not reproduce sexually

The options B, C, D and E are correct

B. More of organisms in the phylum platyhelminthes are parasitic in nature.

C. Platyhelminthes are acoelomates and therefore lacks coelom.

D. Phylum Platyhelminthes organisms are multicellular, asymmetrical, lack a digestive tract and are advanced diploblastic.

E. Most Platyhelminthes are hermaphrodites possessing the male and female sex organs.

Option A is wrong because:

A. Leeches are in the Phylum Annelida and are segmented in nature.

They are advanced

As a result of this characteristic, they are able to reproduce asexually and sexually