The question of single or multiple centres of creation differs from another though allied question, namely, whether all the individuals of the same species are descended from a single pair, or single hermaphrodite, or whether, as some authors suppose, from many individuals simultaneously created.
Sorketagune bakar bat ala anitzen auzia, beronekin zerikusia duen beste auzi honetatik diferentea da, hau da, espezie bereko banako guztiak bikote bakar baten edo hermafrodita bakar baten ondorengoak ala, beste autore batzuek uste duten moduan, aldi berean sorturiko banako askoren ondorengoak diren.