Which of the following phylums represent triploblastic animals?
1
Protozoa, Nematoda and Porifera
2
Protozoa, Platyhelminthes and Porifera
3
Annelida, Platyhelminthes and Porifera
4
Platyhelminthes, Echinodermata and Chordata
Protozoa, Platyhelminthes and Porifera