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
5
None of the above
Protozoa, Platyhelminthes and Porifera