sentences:  The females, however, saw no need to involve themselves and, since the Oans were by then immortal and had no more need to reproduce, left their mates and became known as the Zamarons (a near-anagram of Amazons).After billions of years, the Zamarons, Guardians and Controllers evolved (since they did not reproduce, it was the individuals themselves who evolved) into different forms.While the Maltusians were originally human-like but blue-skinned, the Zamarons eventually became something else entirely.