In this article we will discuss about the head and mouth parts of butterfly with the help of diagram. Fig. 152 HEAD AND MOUTH PARTS OF BUTTERFLY 1. This is the slide of head and mouthparts of Butterfly. 2. The head bears a pair of large compound eyes and a pair of long jointed antennae. 3. The mouth parts are [...]
In this article we will discuss about:- 1. Giochidium Larva of Unio 2. T.S. Shell & Mantle of Unio 3. T.S. Anterior Region of Gills 4. T.S. Middle Region 5. T.S. through Posterior Region of Gills. Giochidium Larva of Unio: Fig. 136 GLOCHIDIUM LARVA 1. This is the slide of Giochidium larva of Unio. 2. It comprises a bivalve shell [...]
In this article we will discuss about the structure of Sycon with the help of a diagram. 1. It is a marine, colonial and hermaphrodite sponge which is found attached to rocks near sea shore in shallow waters. 2. Each sponge is a vase-like cylinder perforated with numerous ostia all over and a large osculum at the apex. 3. Osculum [...]