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? "a celebration of autonomous female sexuality" to a "vulgar, demeaning moment of black female objectification". Some critics compared "How Many Licks?" to Trinidadian-American rapper Nicki Minaj's 2014 single, "Anaconda". Alex Kristelis of "Bustle" noted that both songs focused on men's appreciation of the singer's body. A "Khaleej Times" writer called "Anaconda" a "blatant copy" of "How Many Licks?", with Minaj's song sharing "the lyrical blue print and theme" of Lil' Kim's. "Westword"'s Cory Lamz wrote that Minaj parodied "How Many Licks?" and its associated visuals in the music video for her 2011 single "Stupid Hoe". According to Michael Arceneaux, "How