The statements given below shows some characteristics of a phylum. Identify it.
Channel: Doubtnut
Date: 2020-08-16

The statements given below shows some characteristics of a phylum. Identify it.    (i) Tissue absent (ii) Internal fertilisation   (iii) Developments is indirect    (iv) Spongocelate with ostia (many) and single osculum and cancal system   (v) Sexes are hermaphrodite.