How the Snake Lost Its Legs fly embryo. His books on evolutionary developmental biology (evo-devo) include "Imaginal Discs: The Genetic and Cellular Logic of Pattern Formation" (2002), "Quirks of Human Anatomy: An Evo-Devo Look at the Human Body" (2009), and "Deep Homology? Uncanny Similarities of Humans and Flies Uncovered by Evo-Devo" (2017). In Held's view, "Quirks", "Snake", and "Deep Homology" form a trilogy on evo-devo. "How the Snake Lost Its Legs" is ostensibly organised into six chapters, but in effect into three parts. The first chapter serves as an introduction and overview. The next four chapters provide what Held calls "the meatier aspects of evo-devo" with
How Many Licks? Kim and Sisqó, who are credited under their legal names (Kimberly Jones and Mark Andrews). Sisqó wrote the song's hook and contributed verses. The vocals were recorded by Dave Wade and Stephen Dent at Daddy's House Recording Studios in New York City and Trans Continental Studios in Orlando, with Ed Raso mixing the audio. "How Many Licks?" was released as the second single from Lil' Kim's second album, "The Notorious K.I.M." (2000), as a 12-inch single and CD single by Atlantic Records and Queen Bee Entertainment. A remix by American production duo the Neptunes was also made available, with vocals