What Distinguishes a Free- Living Flatworm from Other Organisms

Question

What distinguishes a free- living flatworm from other organisms?
A) Eyespots
B) A tubular gut
C) A cuticle
D) Hooks
E) A coelom

Accepted Answer

Free-living flatworms, such as planarians, are distinguished by their eyespots, which are simple light-detecting organs. They do not have a tubular gut, cuticle, hooks, or a coelom.