Explains what a hydrostatic skeleton is and the types of organisms that have one. Describes examples from six phyla and the advantages and disadvantages of this type of skeleton.

Concepts

echinoderms, flatworms, invertebrates, mollusks, nematodes, annelids, cnidarians

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Additional Tags

advantages and disadvantages, coelom, hydroskeleton, buzzle.com: biologywise: information about the hydrostatic skeleton, platyhelminthes, movement and support

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional