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| 1. |
What are differences between coelentarate and annelids |
| Answer» Annelida phylum has following features :Bilateral symmetry True body cavity so allow true organs to be packed Organ level of organisation Triploblastic May be unicellular or multicellular Organisms have setae or parapodia for locomotion Segmented Examples earthworm leech nereis Whereas cnidaria phylum has following features :Most organisms have radical symmetry Tissue level of organisation Gastravascular cavity Form of two layers, one layers form inner cells n second layer form outer cells They have slender tentacles which helps in capturing the prey Cnidoblats injects the toxin in the body of prey Divided into polyps and medusae Examples hydra obelia sea anemone | |