Question

Pyrosoma is a member of the class
 A. Thaliacea
 B. Larvacea
 C. Ascidiacea
 D. All of the above

Answer 1

Hint: Pyrosomes, class Pyrosoma, are free-gliding pilgrim tunicates that normally live in the upper layers of the untamed sea in warm oceans, albeit some might be found at more noteworthy profundities. Pyrosomes are round and hollow or cone-molded provinces up to 18 m (60 ft) long, composed of hundreds to thousands of people, known as zooids.

Complete answer:
 Pyrosoma are tunicates. These are the free-coasting provincial tunicates. These creatures live on the upper layers of the seas. They are round and hollow or tapered formed states. The settlements are composed of many people which are called zooids. They have a place with the class Thaliacea of phylum Chordata. This is the class that incorporates the life forms of the tunicates. They are life forms which live in provinces and buoy on a superficial level.

Additional Information: Settlements range in size from short of one centimeter to a few meters long. They are normally called "ocean pickles”. Every zooid is a couple of millimeters in size, however is implanted in a typical coagulated tunic that joins the entirety of the individuals. Each zooid opens both to within and outside of the "tube", attracting seawater from an external perspective to its inward sifting network called the branchial container, separating the minute plant cells on which it feeds, and afterward ousting the separated water to within the chamber of the province. The province is uneven outwardly, each knock speaking to a solitary zooid, however almost smooth, albeit punctured with openings for every zooid, on the inside.
So, the correct answer is ‘Thaliacea'.

Note: Pyrosomes are planktonic, which implies their developments are to a great extent constrained by flows, tides, and waves in the seas. On a more modest scope, nonetheless, every province can move gradually by the cycle of fly impetus, made by the planned beating of cilia in the branchial crates of the apparent multitude of zooids, which likewise make taking care of currents.