Which of the following groups of organisms will all possess hydrostatic skeletons?
A)planaria,hydras and earthworms
B)planaria,hyrdas,crayfish
C)earthworms,crayfish and sea stars
D)butterflies,cats and clams
E)bluegill,lobster and planaria

Question

Quizplus · Accepted Answer

Planaria, hydras, and earthworms all have hydrostatic skeletons, which rely on fluid pressure within their bodies to maintain shape and enable movement.

Which of the Following Groups of Organisms Will All Possess