While many insects have a four stage life cycle (complete metamorphosis), these undergo only a three stage life cycle called gradual metamorphosis.
(many insects; have; a four stage life cycle) (these; undergo; only a three stage life cycle called gradual metamorphosis) (only a three stage life cycle; called; gradual metamorphosis)
many insects these only a three stage life cycle
have undergo called
a four stage life cycle
only a three stage life cycle called gradual metamorphosis
gradual metamorphosis