36. The biology teacher explained, “Generally speaking, female mammals do not lay eggs but give birth to babies and feed them breast milk.”
Tsukasa Kuwabara. 2006-06a.jpg;2006-07a.jpg;2006-08a.jpg;2006-09a.jpg;2006-10a.jpg;2006-11a.jpg;2006-12a.jpg. [#SI2001/#SI3](Reiwa). 2019-05-12. URL:http://web.archive.org/web/20130422040701/http://ir.library.tohoku.ac.jp/re/bitstream/10097/14389/1/L1H110091.pdf …. Accessed: 2019-05-12. (Archived by WebCite® at http://www.webcitation.org/78JKqNr6S )。