In this article we will discuss about Cnidaria:- 1. Definition and Origin of Cnidaria 2. Habit and Habitat of Cnidaria 3. Characteristic Features 4. Classification. Definition and Origin of Cnidaria: Diploblastic metazoans with radial symmetry, tissues but rarely organs and a single central body cavity with mouth and tentacles but no anus, and the stinging cells or nematocysts, and with [...]
In this article we will discuss about Ctenophora: 1. Taxonomic History of Ctenophora 2. Taxonomic Retrospect of Ctenophora 3. Definition 4. Features 5. Course of Development 6. Scheme of Classification 7. Affinities 8. Ancestry. Contents: Taxonomic History of Ctenophora Taxonomic Retrospect of Ctenophora Definition of Ctenophora Features of Ctenophora Course of Development of Ctenophora Scheme of Classification of Ctenophora Affinities [...]
In this article we will discuss about Hormiphora:- 1. Habit and Habitat of Hormiphora 2. Structure of Hormiphora 3. Histology 4. Gastro-Vascular or Enteric System 5. Nervous System 6. Reproductive System 7. Development. Contents: Habit and Habitat of Hormiphora Structure of Hormiphora Histology of Hormiphora Gastro-Vascular or Enteric System of Hormiphora Nervous System of Hormiphora Reproductive System of Hormiphora Development [...]