Significance of Cephalopods.

The fauna of the seas and oceans is so diverse that cephalopods make up a small part of it. However, their importance in nature puts them in a rather high place. 1. Filter the water during feeding, purify it from impurities. 2. They are food for other animals, including humans. For example, squid. The meat of these shellfish contains not only a large amount of protein and few calories, but also other vital substances and trace elements.