Mark the correct statement about roundworms.
They have incomplete gut without anus.
Often females are longer than males among roundworms.
The body of round worms has distinctly marked segments.
They exhibit two basic body forms like polyp and medusa.
In round worms, often females are longer than males.
Incomplete gut is found in flatworms.
Metamerism (segments) made its appearance in annelids
Polyp and medusa forms are observed in cnidarians.