JAMB Biology 2005 Question 24

Question 24

Support and Movement

Hydrostatic skeleton is the type of supporting system found in

A.mammals
B.reptiles
C.oligochaetes
D.arthropods

Show the answer and explanation

Answer: C (oligochaetes)

Explanation

Earthworms (oligochaetes) are supported by fluid under pressure in their body cavity. Mammals and reptiles have bony skeletons and arthropods have exoskeletons.