In this article we will discuss about the structure of Tubipora with the help of a diagram. 1. It is the dried skeleton of "Organ Dice coral" which is found off the coral reefs almost in all seas. 2. The colony is of red colour and is comprised of large numbers of vertical CaCO3 tubes of different sizes. 3. The [...]
In this article we will discuss about the structure of Beroe with the help of a diagram. 1. Commonly known as "Mitre jelly fish" and is found in groups or swarms throughout (cosmopolitan). 2. Body thimble-shaped and laterally compressed with broad oral and narrow aboral end. 3. Tentacles and oral lobes are absent and mouth is a wide opening leading [...]
In this article we will discuss about the structure of silk moth (Bombyx) with the help of a diagram. Fig. 254 BOMBYX LIFE CYCLE 1. It is otherwise called "Bombyx" and produces silk. It is reared on mulberry leaves. 2. The body is divisible into head, thorax and abdomen. The abdomen is short and stout. 3. The colour is creamish [...]