Antennary glands of crustaceans are meant for

Respiratory organs of crustaceans are

Aquatic crustacean

Antennary or green glands which are excretory and osmoregulatory organs of crustacean consist of (a) End sac (b) Renal sac (c) Antenna (d) Lateral and transverse ducts

Antennary glands are excretory organs of cockroach/prawn.

Choose the correct alternative: Antennary glands are excretory organs of cockroach/prawn.

Study of crustaceans is called

Study of crustaceans is called

Study of crustaceans is called

(a) The group of animals , commonly called as ' animals with jointed feet' are lilaterally symmetrycal, triploblastic , havin open circulatory system and possess antennary glands or green glands or malpighian tubules as excretory organs. Name the phylum to whcih they belong. (b) What are their fossil representation termed ? (c ) Name the largest class of this phylum having 3 pairs of legs and usually one or two pairs of wings on the thorax.

Name the excretory organs of crustaceans (e.g. prawn) and insects (e.g. cockroach)