What may be free-living or parasitic?
insects parasites bushes nematodes trees bacteria animals Most plants
A B C D E F G H
Nematodes are microscopic roundworms.
Nematodes may be free-living or parasitic?
What may be free-living or parasitic? (A) insects (B) parasites (C) bushes (D) nematodes (E) trees (F) bacteria (G) animals (H) Most plants