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Explain two peculiar features of the body-wall muscles in nematodes.
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- What feature of body-wall muscles in nematodes requires a high hy-drostatic pressure in the pseudocoelomic fluid for efficient function?Why does Phylum Nematomorpha only possess longitudinal muscles in their body? Explain.How can the presence, localization and function of muscular tissue in beings of the phylum Annelida be explained?
- Explain the interaction of cuticle, body-wall muscles, and pseudocoe-lomic fluid in locomotion of nematodes.Describe the structure and function of the stinging cells for which cnidarians are named.what is the common adaptation in many nematodes enabling them to survive adverse conditions while awaiting return of more congenial circumstances.
- Describe the various superclasses that phylum Arthropcda can be divided into.Name the subphyla of arthropods, and give a few examples of each. What are the tagmata of arachnids, and which tagmata bear appendages?do any nematodes have similar adaptations due to their needs being met by their hosts? I know that nematodes are parasitic and not mutually beneficial, but they are still symbionts and perhaps have evolved to no longer require some components of basic anatomy in result of their needs being met by their host. please cite sources