Following are the important characteristics of Nematoda: Their body is bilaterally symmetrical and . Fertilization is internal and reproduction is sexual.
What are the general characteristics of Aphasmids?
Mainly, they are free-living in soil and water; however, there are a few parasitic forms of aphasmids. As the alternate name implies, they do not have phasmids, and the amphids are located posteriorly on the head region. In fact, they have no sensory bristles or papillae on the head and body.
What are the general characteristic of nematodes?
Nematodes are bilaterally symmetrical, elongate, and usually tapered at both ends. Some species possess a pseudocoel, a fluid-filled body cavity between the digestive tract and the body wall. Like arthropods and members of six other phyla, nematodes secrete an external cuticle that is periodically molted.
What are the characteristics of roundworm?
SummaryRoundworms make up the phylum Nematoda.Roundworms have a pseudocoelom and hydrostatic skeleton. Their body is covered with tough cuticle.Free-living roundworms are found mainly in freshwater habitats.Parasitic roundworms have a variety of hosts, including humans.11.7: Roundworms - Biology LibreTexts
What are the characteristics of Chromadorea?
Members of this class' bodies usually have annules, their amphids elaborate and spiral, and they all have three esophageal glands. They usually live in marine sediments, although they can live elsewhere. They have a more sophisticated pharynx than most roundworms.
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