By Hannah Pedder, John Stafford, and Brooke Smith Nematoda By Hannah Pedder, John Stafford, and Brooke Smith
Symmetry Bilateral
Movement Locomotion
Systems
Nervous System Ganglia Ring nerves Nerve cords
Digestive System One-way
Excretory System Present Excretory pore and canal
Circulatory System Diffusion
Respiratory System Diffusion Cutaneous
Skeletal System Absent
Reproductive System Dioecious or hermaphroditic Copulation spicules Amoeboid sperm
Types of Nematodes
Arcaris Common intestinal parasite Poor sanitation, human feces fertilizer Feed on nutrients in human guts Abdominal pain Pulmonary Migrate
HookWorm Intestinal parasite Poor sanitation, human feces fertilizer Penetrate feet skin Block intestines Feeds on nutrients in intestines
Trichinella Found in pigs, bears, horses, and humans. Commonly contracted from raw or undercooked pork Flu like symptoms Most cases untreated; end in heart problems/ death
Filaria Mosquito Bites Blood vessels feed on nutrients in blood Tropical areas Lymph nodes swell (elephantiasis)
Elephantiasis
Location Can live in all environments Common in unsanitary locations, 3rd world countries Soil and aquatic areas
Roundworms Long, narrow, cylinder bodies tapered at each end.
Parasite Organism that lives off another organism Harms the host
Body Cavity Keep important organs protected Pseudocoelom - fluid filled body cavity Bathes internal organs
You are not a Nematoda
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