108k views
0 votes
Which have a more complex body systems, free-living or parasitic roundworms?

User Greysteil
by
6.1k points

1 Answer

4 votes
Free round worms have a more complex body system compared to parasitic roundworms because they are independent and exist as a whole organism. Parasitic round worms are less complex because they are dependent on their hosts for survival.
User Dominic Gifford
by
6.5k points