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1. The posterior sucker is formed by the fusion of thesegments.
2. The existence of two sets of teeth in the life of an animal is calleddentition..
3. The anterior end of leech has a lobe-like structure called.
4. The blood sucking habit of leech is known as .
5. separate nitrogenous waste from the blood in rabbit..
6. spinal nerves are present in rabbit..