In what four ways do polychaetes differ from oligochaetes?

Answer 1

Polychaetes are gonochoristic animals, while oligochaetes are hermaphrodites.

Answer 2

Polychaetes have parapodia with chaetae for locomotion, have well-developed heads with sensory organs, exhibit a wider range of body forms, and primarily live in marine environments. Oligochaetes, on the other hand, lack parapodia and have fewer chaetae, have less specialized heads, mostly have a uniform body structure, and are mostly found in freshwater or terrestrial habitats.