In this article we will discuss about the structure of Balanus with the help of a diagram. Fig. 237 BALANUS 1. It is commonly known as “rock barnacle” or “acorn barnacle” and is sessile and blind and found in sea attached to rocks or stones. 2. Body is surrounded by a hard calcareous shell comprising of two pairs of carino-lateral [...]
In this article we will discuss about the structure of Millepedes with the help of diagram. 1. These animals are called "millepedes" are terrestrial and are found hidden below stones, wooden pieces and decaying vegetation in dark humid climate. 2. The body consists of about 45-105 segments and is divisible into a small head, a thorax and an abdomen. 3. [...]
In this article we will discuss about the structure of Scorpions with the help of a diagram.1. These are commonly known as "Scorpions" and are found under stones, bark of trees, rotten leaves, cow dung and in burrows and crevices in dark places. 2. Body elongated, segmented, slightly compressed dorsoventrally and is divided into a prosoma (capahalothorax) and an opisthosoma. [...]