Identify the phylum whose larvae are bilaterally symmetrical, but adults are radially symmetrical.

Mention two salient features of the phylum,

Write the salient features of phylum Nemathelminthes.

The following diagram shows the characteristics of a phylum. a) Identify the phylum. b) Label A in the diagram. c) Mention four salient features ofthe phylum.

From the following general characters find out corresponding Class with an Example a) Exclusively marine, triploblastic, spines on the skin, radially symmetrical in the adult and bilaterally symmetrical in the larval stage. b) Marine, they migrate towards freshwater for spawning, then their larvae retum to ocean after metamorphosis. c) Triploblastic, bilaterally symmetrical, coelomate and metamerically segmented animals.

All yoụ radially symmetrical or bilaterally symmetrical? Which side of your body is dorsal. and which side is ventral.