The mites form with the ticks the order Acarina, and are distinguished by the fact that the abdomen…
The mites form with the ticks the order Acarina, and are distinguished by the fact that the abdomen…
Scorpions are characterized by having a distinctly segmented abdomen, which passes into the cephalothorax,…
The sea spiders are inhabitants of the sea, and they are very often referred to as crustaceans.