I'm in my first year at university https://teewithharry.com/youngest-teens-galleries-62a3.pdf#devoted model nn young  The Cambridge scientists conclude that guarding against infanticide played little if any role in the development of monogamy among such mammals as tamarins, marmosets, beavers, wolves, jackals and meerkats. Instead, the behavior arose when females spread out over large territories and had zero tolerance for other females entering their turf.