1. My body is divided into proboscis, collar and trunk. I am marine animal. 2. I stay inside two shells. My body is divided into head

Question

Tell me who am I? What is my class/ phylum?

1. My body is divided into proboscis, collar and trunk. I am marine animal.

2. I stay inside two shells. My body is divided into head, foot and visceral mass.

3. I am male as well as female. I am endoparasite having a coelomate and bilaterally symmetrical and flattened body.

4. I am sedentary marine animal drinking water all the time through numerous pores on the body.

5. I am venomous, eight legged creature having chitinous exoskeleton.

6. My body is covered by tunic. As a larva I swim but as an adult I settle down.

Answer 1

1. Balanoglossus; Phylum: Hemichordata.

2. Bivalve or Oyster; Phylum: Mollusca.

3. Liver fluke or tape worm; Phylum: Platyhelminthes.

4. Sponge; Phylum: Porifera.

5. Scorpion; Phylum: Arthropoda.

6. Doliolum or Salpa; Phylum: Chordata subphylum : Urochordata.