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Commonly known as Roundworms with their thread-like body.

Melissa Stokola

on 30 April 2010

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Transcript of Nematoda

Nematoda Gas Exchange Circulation Excretion Digestion/Feeding Reproduction Responce to Environment Movement By Diffusion across the body wall. Some Parasitic nematodes have form of hemoglobin in the body fluids. Both anaerobic and aerobic metabolism is common No Circulation System Fluids Circulated in pseudocoelom by body movements Simple and tubular with no cilia/flagella. Consists of one or two single celled glands called renette cells May be carnivorus or fungi scavengers, herbivors, and bacterivorous Reproduction is usually sexual involves internal fertilization. Females may deposite 100,000 or more fertile eggs per day. There in all kids of environments In fresh and sea water, and in solar regions, desert, or high in mountains Somewhat awkward pattern of movement, a flailing whiplike motion that is produced by alternate contractions of muscle cells on either side of there body. By Tim Rauch
Melissa Stokola Roundworms
Long Thread-like body
Bilateral The Anus is the specialized structure Part of the Excretory system Function: To deficate Adaptations Free living
Cleans the system
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