Question

Identify the class of the following: (a) segmented,coelomate animal usually without limbs (b) Animals having soft body inside and muscular foot (c) Animals with jointed appendages

Answer 1

A. Annelida

B. Mollusca

C. Arthropoda

Answer 2

(a) Annelida  

The Annelida so called as ringed or segmented worms. It has a large phylum of 22,000 extant species including , earthworms, rag worms and leeches. It is altered to various conditions such as marine environments, tidal zones, hydrothermal vents, fresh water and moist terrestrial environments.

It is coelomate  and invertebrate organism.The paraodia carry more complex chetae at their edges for locomotion.  

(b) Mollusca

The mollusca shell shelters the soft parts of an body. Mostly living on the land, freshwater and also in sea.

Mollusca has a muscular foot and it has pair of statocysts which act as a balance sensors.

(c) Arthropoda

Anthropoda has no backbone, invertebrate animal. The body is segmented and jointed appendages.The appendages are wings and legs.