The nerve chord in earthworm originates from a) Supra pharyngeal ganglia and has a fused pair of ganglia in each segments from the 3rd to last b) Supra pharyngeal ganglia and has a fused pair of ganglia in each segment from the 4th to last c) Sub pharyngeal ganglia and has fused pair of ganglia in each segment from the 5th to the last d) Sub pharyngeal ganglia and has a fused pair of ganglia in each segment from the 6th to the last

The nerve chord in earthworm originates from a) Supra pharyngeal gangl

1.	The nerve chord in earthworm originates from a) Supra pharyngeal ganglia and has a fused pair of ganglia in each segments from the 3rd to last b) Supra pharyngeal ganglia and has a fused pair of ganglia in each segment from the 4th to last c) Sub pharyngeal ganglia and has fused pair of ganglia in each segment from the 5th to the last d) Sub pharyngeal ganglia and has a fused pair of ganglia in each segment from the 6th to the last
Answer» The nerve chord in earthworm originates from a) Supra pharyngeal ganglia and has a fused pair of ganglia in each segments from the 3rd to last b) Supra pharyngeal ganglia and has a fused pair of ganglia in each segment from the 4th to last c) Sub pharyngeal ganglia and has fused pair of ganglia in each segment from the 5th to the last d) Sub pharyngeal ganglia and has a fused pair of ganglia in each segment from the 6th to the last