Hydrostatic skeleton is the type of supporting syste...
Hydrostatic skeleton is the type of supporting system found in
mammals
reptiles
oligochaetes
arthropods
Correct answer is C
An annelid worm of the class Oligochaeta, such as an earthworm.
- The earthworm's body is also known as a hydrostatic skeleton, which is a flexible skeleton filled with fluid.
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