Entry Test MCQ :: Support and Movement

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Which of the following animal has a hydrostatic skeleton:

[A].	Earthworm.	[B].	Round worm.
[C].	Tape worm.	[D].	Pin worm

Answer: Option A

burhan said:

earthworm possess the hydrostatic skeleton due to this skeleton the water pressure exerted on the body of earthworm which able to worm to move ..