While most of the adult stages of these worms are macroscopic, many of them go through a microscopic stage in their life cycles (egg &amp; larval stages).
(most of the adult stages of these worms; are; macroscopic) (many of them; go; through a microscopic stage in their life cycles)
most of the adult stages of these worms many of them
are go
macroscopic
through a microscopic stage in their life cycles