Contents hide 1) Classification of Hydra 2) Habit and Habitat 3) Geographical Distribution 4) General Characteristics 5) Special Features 6) Identification 7) Ecological Significance 8) Scientific Importance 9) Morphology and Structure 10) Feeding and Locomotion 11) Reproduction and Life Cycle 12) Regeneration and Aging 13) Nervous and Sensory Systems 14) Ecological and Biological Significance 15) … Continue reading Hydra