The mesoglea seen in between the ectoderm and endoderm is present in …………………. phylum.
A. Platyhelminthes
B. Arthropoda
C. Annelida
D. Coelenterates
Answer:D
The mesoglea seen in between the ectoderm and endoderm is present in …………………. phylum.
A. Platyhelminthes B. Arthropoda C. Annelida D. Coelenterates