PHYLUM NEMATODA

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Phylum Nematoda. Present in all kinds of environment12,000 known speciesThe effects of roundworms on crops, domestic animals and humans make it one of the most parasitic animal groupsAbout 50 species are plant and animal parasites that cause damage. Ascaris. The large roundworm of humansLive in

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PHYLUM NEMATODA

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1. PHYLUM NEMATODA Roundworms

2. Phylum Nematoda Present in all kinds of environment 12,000 known species The effects of roundworms on crops, domestic animals and humans make it one of the most parasitic animal groups About 50 species are plant and animal parasites that cause damage

3. Ascaris The large roundworm of humans Live in host’s intestines and eggs pass out feces Extremely resistant to adverse conditions Uncooked veggies, soiled fingers or toys Travel through heart in blood to the lungs and break out in sacs of lungs Make their way up through trachea and get swallowed again so that they can grow to maturity in the intestines Cause allergic reactions and intestinal blockage

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