Question

OR
2.1. Write a short note on Phylum Annelid.
2.2. Describe the ambulaeral system of starfish
Q.3. Describe the affinities of Balanoglossus.
Q.4. Define the life cycle of Trypanosome.
Q.5. Write a short note on Phylum Nematode.
DIR​

Answer 1

The Annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. Most textbooks still use the traditional division into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like species.

Organism classification: Leech

Displayed higher classification: Animal

Higher classification: Lophotrochozoa