aside from free-living, where else can roundworms exist?
mouth of rivers in the sky loose soil our planet Earth orbiting the Sun live off a host molecules h2o
A B C D E F G H
Parasites are organisms that live off a host.
roundworms may be free-living or live off a host
aside from free-living, where else can roundworms exist? (A) mouth of rivers (B) in the sky (C) loose soil (D) our planet (E) Earth orbiting the Sun (F) live off a host (G) molecules (H) h2o