Nest-building in primates Nest-building in primates Nest-building in primates refers to the behaviour of building nests by extant strepsirrhines (lemurs and lorisoids) and hominid apes (gorillas, chimpanzees, orangutans, and humans). Strepsirrhines build nests for both sleeping and also for raising families. Hominid apes build nests for sleeping at night, and in some species, for sleeping during the day. Nest-building by hominid apes is learned by infants watching the mother and others in the group, and is considered tool use rather than animal architecture. Old World monkeys and New World monkeys do not nest. It has been speculated that a major evolutionary advance in
What the World Needs Now (Glee) by The Carpenters was sung by Overstreet. "Promises, Promises" from the musical "Promises, Promises" was sung by Michele. "Alfie" by Cilla Black was sung by Rivera. "What the World Needs Now Is Love" by Jackie DeShannon was sung by all the aforementioned performers and Morrison except Morris and Rivera. Accompanying the music from this episode, the EP "Glee: The Music, What the World Needs Now" was released on February 6, 2015. The episode was watched by 1.58 million viewers and received a 0.5 rating/2 share in the adult 18-49 demographic, marking this episode the least watched and lowest rated episode