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Roundworms: Adenophorea

Roundworms And People

Roundworms that infect people can cause disease and death. Roundworm plant parasites damage crops. Roundworms that are not parasites help keep soil healthy, which helps the growth of crops. It may be possible to control mosquitoes with roundworms that kill mosquito larvae. Larvae (LAR-vee) are animals in an early stage that change form before becoming adults.


Nematodes (NEE-muh-toads), the group that includes roundworms, are second only to insects as having the largest number of animals on earth. Scientists estimate the total number of nematode species is eighty thousand to one million. The total number of species of roundworms is estimated to be about twelve thousand.

Additional topics

Animal Life ResourceJellyfish, Sponges, and Other Simple AnimalsRoundworms: Adenophorea - Physical Characteristics, Roundworms And People, No Common Name (desmoscolex Squamosus): Species Accounts, No Common Name (mermis Nigrescens): Species Accounts - GEOGRAPHIC RANGE, HABITAT, DIET, BEHAVIOR AND REPRODUCTION, CONSERV