Beneficial nematodes
commonly referred to as roundworms, are a diverse group of worms belonging to the phylum Nematoda. Nematodes are characterized by their unsegmented, [...] bodies, and they come in a variety of sizes, ranging from microscopic to several inches in length. Nematodes play various roles in ecosystems. Some are [...] are free-living, feeding on organic matter in soil or water, and are essential for nutrient recycling. Others are called parasitic nematodes, infecting plants