Read this article in Hindi to learn about the structure of starfish, explained with the help of suitable diagrams. पहचान एवं वर्गीकरण: तारे के आकार के ये समुद्री जीव वास्तव में मछली नहीं होते । समुद्र किनारे रेती में पड़ी हुई अथवा उथले जल में तैरती हुई इनकी पाँच भुजाएँ इनकी प्रमुख पहचान हैं । इनकी वर्गीकरण निम्नानुसार हैं: जगत् [...]
In this article we will discuss about:- 1. Pedicillariae of Starfish 2. T.S Arm of Starfish 3. L.S Arm of Starfish. Pedicillariae of Starfish: Fig. 141 STAR FISH PEDICILLARIAE JAWS It is the slide of pedicillariae from Starfish and it exhibits following features: (a) These are sensory organs present buried in the body-wall of starfishes and other echinoderms. (b) They [...]
In this article we will discuss about Asterias (Starfish):- 1. History of Asterias 2. Habit and Habitat of Asterias 3. External Features 4. Body Wall 5. Endoskeleton 6. Coelom 7. Digestive System 8. Water Vascular System 9. Locomotion 10. Circulatory System 11. Respiratory and Excretory System 12. Nervous System 13. Sense Organs 14. Reproductive System 15. Life History and Development [...]