NEMATODE EXCRETORY SYSTEM
NEMATODE EXCRETORY SYSTEM
NEMATODE EXCRETORY SYSTEM
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<strong>NEMATODE</strong> PHYSIOLOGY<br />
RESPIRATION<br />
Nematodes are aerobic organisms<br />
-Require oxygen for metabolism<br />
-Thin shape and semipermeable cuticle<br />
-Width of nematode restricted by diffusion<br />
-Oxygen availability and demand depend on:<br />
1) O 2 concentration in environment<br />
2) Diffusion of O 2 into microsite<br />
3) Metabolic demand from<br />
body size, activity, temperature, starvation
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