…….has no arms , no spines but has an oral and aboral axis .

……..has no arms , no spines but has no oral and aboral axis ,

Arms, spines and pedicellaria are absent in

Animal with unsegmented, coelomate and radially symmetrical body having distinct oral and aboral surfaces belong to

Animal with unsegmanted, coelomated and radially stmmetical body having distinct oral and aboral surfaces belong to

Animal with unsegmented, coelomated and radially symmetrical body having distinct oral and aboral surfaces belong to

A number of buds have developed on Hydra Oldest bud is towards oral region Oldest bud is towards aboral region Both A and B There is no order.

A number of buds have developed on Hydra Oldest bud is towards oral region Oldest bud is towards aboral region Both A and B There is no order.

Opuntia has spines but Carissa has thorns. What is the difference?

Foot is present in the form of oral arms in

Leaves are modified into spines: Opuntia Stem has sharp thorns:______.