Dzomo are fertile (or, fecund) while dzo are sterile. They are reproductively active, but less fecund than large queens. Domestic yak bulls mated with bison cows produced fully fecund progeny, both sexes. The term superfecundation is derived from fecund, meaning the ability to produce offspring. Molas are oviparous and are amongst the most fecund of all fishes. The 1st-century poet Marcus Manilius described Venus as generous and fecund and the lesser benefic. This worm appears to be highly fecund and reproduces continuously. Polyandrous females are more fecund, due to laying more eggs. Female crown-of-thorns starfish are very fecund. Additionally, larger queens are generally more fecund and dominant that smaller counterparts. The end of the nineteenth century was fecund ground for Zeta Psi. Silver perch are moderately fecund, with egg counts commonly around 200,000 to 300,000. In Eckhart's vision, God is primarily fecund. The band repeated the experiment with the follow-up EP "Fecund". To be both fecund and right is given to few.