Read this article in Hindi to learn about the structure of hydra, explained with the help of a suitable diagram. पहचान एवं वर्गीकरण: यह एक बहुकोशिक, द्विस्तरीय देहभित्ति वाला जन्तु है । वर्गीकरण में इसका स्थान निम्नानुसार है: जगत - जन्तु-जगत् (बहुकोशिकीय, चलन की क्षमता युक्त प्राणी) संघ - सीलेन्टरेटा (आंतरगुहा खोखली कोठी समान, द्विस्तरीय देहभित्ति) वर्ग - हाइड्रोजोआ (साधारण [...]
In this article we will discuss about:- 1. Habitat of Hydra 2. External Feature of Hydra 3. Histology of the Body Wall 4. Feeding and Digestion Process 5. Locomotion 6. Respiration and Excretion Process 7. Reproduction 8. Life-History 9. Hydra in Relation to Higher Metazoan. Contents: Habitat of Hydra External Feature of Hydra Histology of the Body Wall in Hydra [...]
In this article we will discuss about the structure and locomotion of obelia. Obelia is a marine colony of hydroid organisms. It is a moss like animal found on submerged rocks or sea weeds, in shallow water off the sea coast. It may be regarded as a Hydra which has undergone repeated budding but the buds have not separated from [...]