Asterias is/has

Invertebrates like Unio, Limnaea and Asterias shows

How many of the following are the examples Fiveof Molluscs? Cucumaria, Asterias, Pila, Pinctada, Antedon, Aplysia and Balanoglossus

The larval stage in Asterias is ltBrgt (a). Absent (b). Free-swimming (c). Bilaterally (d) Radially symmetrical

The larval stage in Asterias is : (a). Absent (b). Free-swimming (c). Bilaterally (d) Radially symmetrical 1)Only (a) 2) (b) & (c) 3) (b) & (d) 4) Only (c)

Asterias: Star fish :: Pristis : ………..

Main fucntion of pedicellariae in Asterias is

Triploblastic organism with incomplete gut is (A) Ctenoplana (B) Taenia (C) Asterias (D) Fasciola

What is true about Asterias, Ophiura and Cucumaria?