Which Plant Has a Jointed Hollow Stem with Reduced Megaphylls

Question

Which plant has a jointed hollow stem with reduced megaphylls?
A) Moss
B) Horsetail
C) Club moss
D) Whisk fern
E) Hornwort

Accepted Answer

Horsetails have a distinctive jointed hollow stem and reduced leaves (megaphylls), which are characteristics that differentiate them from the other options listed.