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InterviewSolution
| 1. |
Platyhelmenthis |
| Answer» Platyhelminthes: Triploblastic, acoelomate, unsegmented and bilaterally symmetrical metazoans, without ****, circulatory system, but with a mouth, protonephridial system, parenchyma tissues within the space between the body wall and the gut, and spiral cleavage development.Characteristic Features of Phylum Platyhelminthes:1. Phylum Platyhelminthes are triploblastic, acoelomate (without a body cavity) and bilaterally symmetrical animals.2. Body is soft, un-segmented and dorsoventrally flattened.3. Metameric segmentation and skeletal structures, in any form, are absent. Pseudometamerism is seen in some members (e.g., Eucestoda).4. Anterior end of the body is differenti\xadated into a head. | |