Star fish: The starfish is a very hardy

The starfish is a very hardy animal, they can live for many years without being affected by pollution or other environmental hazards. Many types of starfish have been identified Starfish, also known as sea stars, are among the most fascinating marine creatures. With their unique star-shaped appearance and incredible regenerative abilities, starfish are found in oceans worldwide. Starfish, also called sea stars, are echinoderms that constitute the class Asteroidea. As their name suggests, they have a characteristically star-like body, with most species having five arms radiating from a central disc (pentaradial symmetry). 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 are of three types i.e., stalked, sessile and alveolar. (c) Externally each pedicillariae is covered over with a layer of ...