A.Sponges
B.Coelentrates
C.Annelids
D.Molluscs
Related Mcqs:
- Archaeocytes and interstitial cells are found respectively in:
- Which of these do not have a ventral nerve cord:
- Ventral nerve cord is absent in which of these:
- Coelon is divided into septa in case of:
- Archaeocyte cells are characteristically found in:
- Peripatus is a connecting link between:
- Flame cells are characteristic of:
- Choanocytes are characteristic cells of:
- Syncitial hypodermis and muscle layers in:
- Which of the following transmits nerve impulse from receptors to central nervous system??