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16 Cards in this Set
- Front
- Back
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Characteristics of Phylum Nematoda.
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-Triploblastic
-Bilateral symmetry -Nervous System Reduced -Excretory system-lateral line system -Digestive system-two openings -Dorsal Ventral Nerve Cords -Cylindrical body -pseudocoelomate -Longitudinal muscles only NO circular |
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Sexual or asexual reproduction for Nematodes?
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Sexual.
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Body cavity type?
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Pseudocoelomates.
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Different males and females?
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Yes.
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Excretory system?
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Lateral line system, that secretes waste via a pore, posterior to the pharynx.
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Movement?
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Dorsal and ventral nerve cord.
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Free living or parasitic?
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BOTH.
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Skeleton?
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Cuticle, is the closest it can get.
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Longitudinal or circular muscles?
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Longitudinal.
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Tissue layers?
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Triploblastic.
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Ectoderm becomes the...
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epidermis.
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Endoderm becomes the...
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digestive tract, "the gut".
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Mesoderm becomes the...
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muscles that are attached the outer epidermis, and the cuticle.
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Segmented or not?
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Not.
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Symmetry?
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Bilateral.
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Digestive system?
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One way tract, with mouth and anus.
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