Hydrostatic skeletons use fluid-filled compartments and muscles for movement, found in organisms like earthworms.
A hydrostatic skeleton consists of a fluid-filled body compartment where muscles contract to alter the fluid's shape, facilitating movement in organisms like nematodes and earthworms.
Front | Hydrostatic Skeleton |
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Back | - closed body compartment with fluid ex) nematodes (roundworm) flatworm, earthworm - muscles change shape of skeleton, enabling movement |
Tags: chapter_14, earthworm
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