They go through only a three stage life cycle called gradual metamorphosis, while many insects have a four stage life cycle (complete metamorphosis).
(They; go; through only a three stage life cycle) (only a three stage life cycle; called; gradual metamorphosis) (many insects; have; a four stage life cycle)
They only a three stage life cycle many insects
go called have
through only a three stage life cycle
gradual metamorphosis
a four stage life cycle