Question

Body of herdamania enclosed in

Answer 1

Answer:

Herdmania is a solitary Aascidian. It is exclusively marine. The genus is recorded to go to the depth of 9 m – 21.6 m of the sea. The adult is a sessile form which remains attached to the substratum by its base or foot. It is a microphagous animal which feeds on micro­scopic animals and plants.The tunic of Herdmania provides shelter for many organisms. A very common occur­rence is the growth of a green alga on the tunic which sometimes hides the whole animal. The other organisms inhabiting the tunic are the hydroids, anemones, minutes lamellibranches, gastropods and many other animals.

Body Wall of Herdamania:

The test is the protective covering of the body. It is 4-8 mm thick and is composed of tunicin. In the ground substance of the test many structural elements are embedded. These are the meshwork of blood vessels, spicules, interlacing fibres and a few cell-types