A.Molluscs
B.Cnidarians
C.Arthropods
D.Echinoderms
Related Mcqs:
- Which of these do not have a ventral nerve cord:
- Porocytes are specialized cells found exclusively in:
- Excretory organs are totally absent in:
- Water vascular system is present in:
- Soft body enclosed in a hard calcareous shell is found in:
- Animals with spiny skin are called:
- Peripatus is a connecting link between:
- Archaeocytes and interstitial cells are found respectively in:
- In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen??
- Anaerbic respiration occurs in: