What can roundworms do?
killing insects Make money survive Start fires Harm hosts Harm themselves protect them reproduce
A B C D E F G H
Internal parasites harm their hosts in many ways.
roundworms can harm their hosts
What can roundworms do? (A) killing insects (B) Make money (C) survive (D) Start fires (E) Harm hosts (F) Harm themselves (G) protect them (H) reproduce