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Which of the following sense organs are present in marine annelida?
Option: 1
Tentacles
Option: 2
Chemical receptors
Option: 3
Statocysts
Option: 4
All of these
Answers (1)
Nervous System and Sense Organs in Annelida:
- The nervous system is well developed in annelids. They bear a nerve ring made up of fused ganglia around the pharynx. They have a ventral nerve cord. The nerve cord shows the branching of ganglia in each segment.
- In marine free-living annelids, tentacles, chemical receptors, statocysts and eye-spots are present.
-
In marine free-living annelids, tentacles, chemical receptors, statocysts and eye-spots are present.
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