Nematoda. Jenny Brooke David Thursday, September 18, 2014 Period 1. http://www.stanford.edu/group/parasites/ParaSites2006/Loiasis/Home.html. Sample Animals and Pictures. Caenorhabditis elegans Tricinella spiralis. David Dallas-Orr. Body Cavity (coelom) present or absent. Have a coelom
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Jenny Brooke David
Thursday, September 18, 2014
Pathway of food: mouth (stoma) pharynx intestines rectum anus
Recent studies revealed the presence of true cilia in nerve processes connected with sensory organs.
The body is covered in sensory bristles and papillae that provide a sense of touch.SENSORY STRUCTURES/FEATURES
Different species of nematodes have various ranges of modes of reproduction.
Reproduction is usually sexual and most nematode species are dioecious. Some species, however, are hermaphroditic.REPRODUCTION
Respiration and gas exchange occur by diffusion across the body wall.
Both anaerobic and aerobic metabolism is common.GAS EXCHANGE
It is said that if nothing but nematodes existed, they would preserve the outline of Earth and its many features.
Humans host at least 50 nematode species.Unique Features of Nematodes