https://www.vedantu.com/question-answer/free-swimming-larva-of-obelia-is-a-planula-b-class-11-biology-cbse-5fb5fdc34886f710fcfffcfd
Free swimming larva of Obelia is A Planula B Amphiblastula C Stereo Gastrula D Hydrotube
free swimminglarvaobeliaplanula