Obelia is

Choose the correct statement. a. Hydra and Adamsia both belongs to same class and exhibit only polyp from b. Planula larva of Obelia is formed from polyp from c. planula larva is ciliated and formed from zygote through cleavage d. In most coelenterates fertilisation is external

Read the following statements and select the true ((T)) or false ((F)) statement . A. The notochord is an ectodermal derived rod-like structure in chordates. B. Platyhelminthes are triploblastic and pseudocoelomate animals. C. The alternation of generation in Obelia is called Metagenesis . D. In ctenophora , only sexual mode of reproduction is observed.

Choose the correct statement. Hydra and Adamsia both belongs to same class and exhibit only polyp from Planula larva of Obelia is formed from polyp from planula larva is ciliated and formed from zygote through cleavage In most coelenterates fertilisation is external

Read the following statements and select the true ((T)) or false ((F)) statement . A. The notochord is an ectodermal derived rod-like structure in chordates. B. Platyhelminthes are triploblastic and pseudocoelomate animals. C. The alternation of generation in Obelia is called Metagenesis . D. In ctenophora , only sexual mode of reproduction is observed.

Medusa of Obelia differs from Aurelia in having

$ Obelia has three types of zooids namely (i) polyps (ii) Balastostyles (iii) Medusae ! The occurrence of more than one forms in an individual is called polymorphisms.

$ Obelia has three types of zooids namely (i) polyps (ii) Balastostyles (iii) Medusae ! The occurrence of more than one forms in an individual is called polymorphisms.

Which of the following pairs are correctly matched ? Animals Morphological features (i) Crocodile - 4-chambered heart (ii) Sea urchin - Parapodia (iii) Obelia - Melagenesis (iv) Lemur - Thecodont

How many points given below are correct about Obelia? (i) Radial symmetry (ii) Diploblastic (iii) Cellular level of organization (iv) Digestion is intracellular only (v) Exhibit two basic body forms called polyp and medusa.

During the metagenesis of Obelia ,