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296:, with titles like "How the butterfly got its spots" or "How the snake elongated its body", though a couple of sections use "Why?" rather than "How?", as in "Why the fly twirls his penis" (it rotates during embryonic development under the control of different genes). In these chapters, Held explains the mechanics of evolutionary developmental biology, complete with accounts of what genes such as
470:: explaining origins and causes while also stirring imagination and awe. Overall, the latest opus by Lewis Held Jr. fits that niche nicely, and shines by its ability to span essential concepts and empirical work with enough rhetoric punch. It is accessible to most readers with a light background in biology", though not as suitable for "the classroom as Held's
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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 "many gristly facts" to chew over and "many tough lessons" to digest. The sixth,
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as a showcase of evo-devo. He writes that Held has "give us a readable, in-depth look at evo-devo and all the questions it can answer, from the important, to the fascinating, to the weird/cool facts you can repeat whenever you're at the pub. It's accessible to non-biologists and laymen, useful for
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Marc Srour writes that Held must be commended for not oversimplifying evo-devo, since, "The need to combine precise genetic and developmental labwork with phylogenetic systematics and homology inference means that simplifying the whole ordeal for a lay audience is extremely tricky." Srour sets the
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Larry
Flammer "warns" readers that when they look at the pictures or study Held's diagrams, they, "will be captivated by the full-page captions, and probably drawn into the effort to really understand what is happening. The graphics do, indeed, help immensely to do this." Flammer notes, too, that
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The main text is supported by an accurate glossary and thorough index. Glossary terms are printed in boldface in the text, a helpful feature, while the glossary, like the text, is cited to the key research papers on which the book is based. The book thus provides a wide overview of evo-devo, with
31:
466:," but the reader, "is also encouraged to extrapolate from general principles by the constant reminder that animals use a conserved set of developmental genes to construct their bodies." Martin finds evo-devo fascinating, "inherently colorful and well placed to fulfill the dual goal of
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Arnaud Martin observes that, "As children, we have all wondered about 'the How and the Why' of animal features, and if you are reading this it is in fact quite possible that a similar inquisitiveness still burns within you. The tone of
315:," a long list of stories, such as "How the turtle got its shell", "How the vampire bat reinvented running", "How the quetzal got its crest", and "How the firefly got its flashlight". These are
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only in name, since each one is reliably cited to recent research rather than an author's whimsy. Since by this point the reader has been introduced to the core elements of the
323:, Held makes each section brief, 50 stories in 32 pages, and minimally technical: he discusses what the evo-devo system achieves in terms of each animal's structures and
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It is illustrated with monochrome diagrams, drawings and photographs in the text, and 8 pages of colour photographs. Held created the diagrams and drawings.
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many of the "nuts and bolts of evolution, deeper than just natural selection" are on display in the book, revealing, "precisely what genetic/
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375:). The main text is 148 pages, with an 8-page glossary of evo-devo, and over 2500 references taking up 122 pages.
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animal's body is shaped by the same set of genes "evo-devo's greatest revelation". That group of animals includes
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462:. Held's ability to captivate the reader's imagination compares to the mischievousness of Kipling's
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750:"How the Snake Lost Its Legs Curious Tales from the Frontier of Evo-Devo by Lewis I. Held, Jr"
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development and a brief, richly-cited but conversational text, how that symmetry is produced.
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detail. The book has been admired by other biologists as both accurate and accessible.
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Martin, Arnaud (2015). "Book Review | When evo-devo transcends the etiological myth".
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How the Snake Lost its Legs : Curious Tales from the
Frontier of Evo-Devo
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Deep
Homology? Uncanny Similarities of Humans and Flies Uncovered by Evo-Devo
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which lived some 600 million years ago. Held calls the discovery that every
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How the Snake Lost Its Legs: Curious Tales from the
Frontier of Evo-Devo
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Held calls the book, "A factual homage to
Rudyard Kipling's fanciful
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Imaginal Discs: The
Genetic and Cellular Logic of Pattern Formation
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The first chapter introduces "the first two-sided animal", the
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Quirks of Human
Anatomy: An Evo-Devo Look at the Human Body
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guidance on how to read more deeply on any chosen aspect.
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The third part is a single chapter providing "An evo-devo
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How the leopard/elephant/camel got its spots/trunk/hump
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270:The next four chapters are on the
167:evolutionary developmental biology
102:evolutionary developmental biology
61:Evolutionary developmental biology
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822:Cambridge University Press books
817:Evolutionary biology literature
782:. Cambridge University Press.
448:finds its roots in the famous
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698:Srour, Marc (13 April 2014).
357:How the Cheetah Got his Spots
485:Endless Forms Most Beautiful
402:Endless Forms Most Beautiful
193:form a trilogy on evo-devo.
35:Cover of first edition, 2014
778:Held, Lewis Irving (2014).
538:Evolution & Development
446:How the Snake Lost its Legs
423:patterns along their backs.
207:How the Snake Lost Its Legs
23:How the Snake Lost Its Legs
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365:Cambridge University Press
363:The book was published by
71:Cambridge University Press
16:Book by Lewis I. Held, Jr.
108:The title pays homage to
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391:book alongside those of
367:as a paperback in 2014 (
181:(2017). In Held's view,
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429:evolutionary biologist
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151:developmental genetics
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573:Texas Tech University
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321:evo-devo gene toolkit
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155:Texas Tech University
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308:do to shape bodies.
266:stories in the book.
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468:etiological myths
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159:pattern formation
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760:9 February
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521:References
421:asymmetric
388:taxonomist
282:, and the
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736:Held 2014
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419:generate
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333:behaviour
306:engrailed
276:butterfly
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243:arthropod
223:nematodes
120:molecular
67:Publisher
478:See also
313:bestiary
302:hedgehog
247:chordate
231:molluscs
227:annelids
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329:ecology
317:Just So
284:cheetah
263:Just So
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351:The "
280:snake
239:phyla
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