#1074 Kevin Lala - Evolution Evolving: The Developmental Origins of Adaptation and Biodiversity

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Mar 21, 2025

In this engaging discussion, Kevin Lala, a Professor of Behavioral and Evolutionary Biology and co-founder of niche construction theory, dives into the complexities of evolution. He explores how interdisciplinary approaches enhance our understanding of traits like the turtle shell and the unique adaptations seen in blind Mexican cave fish. Lala challenges genetic determinism by discussing evolutionary plasticity and the impact of organisms on their environments. He also highlights the evolution of human cognition, linking brain size and cultural practices in our development.

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INSIGHT

Five Principles of Development

Development is modular, epigenetic, constructive, and its phenotypic consequences can arise from genetic or environmental changes.
Phenotypic variation is structured and biased, significantly impacting natural selection.

INSIGHT

Evolution of Evolution

The evolutionary process itself evolves because natural selection's components can be fulfilled in various ways, not just genetically.
As organisms evolve, their developmental processes and inheritance mechanisms change, modifying natural selection's operation.

ANECDOTE

Developmental Bias

Developmental bias means some traits are more likely to arise than others, influencing natural selection.
Like scrambled eggs being more common at a buffet, some traits appear more due to developmental bias than pure selection.

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Dr. Kevin Lala is Professor of Behavioral and Evolutionary Biology at the University of St Andrews in Scotland. He is one of the co-founders of niche construction theory and a prominent advocate of the extended evolutionary synthesis. His research encompasses a range of topics related to animal behavior and evolution; particularly animal social learning, innovation and intelligence; niche construction, inclusive inheritance, and the extended evolutionary synthesis; and human evolution, cultural evolution, and gene-culture coevolution. He is the author of several books including Evolution Evolving: The Developmental Origins of Adaptation and Biodiversity.

In this episode, we focus on Evolution Evolving. We start by talking about different types of explanations for the existence of traits. We discuss developmental biology, five principles of development, and how the evolutionary process itself evolves. We talk about developmental bias, plasticity-led evolution, nice construction, dynamic adaptive landscapes, and evolutionary innovation. We discuss the evolution of the human brain and cognition. Finally, we talk about the extended evolutionary synthesis.

A HUGE THANK YOU TO MY PATRONS/SUPPORTERS: PER HELGE LARSEN, JERRY MULLER, BERNARDO SEIXAS, ADAM KESSEL, MATTHEW WHITINGBIRD, ARNAUD WOLFF, TIM HOLLOSY, HENRIK AHLENIUS, FILIP FORS CONNOLLY, ROBERT WINDHAGER, RUI INACIO, ZOOP, MARCO NEVES, COLIN HOLBROOK, PHIL KAVANAGH, SAMUEL ANDREEFF, FRANCIS FORDE, TIAGO NUNES, FERGAL CUSSEN, HAL HERZOG, NUNO MACHADO, JONATHAN LEIBRANT, JOÃO LINHARES, STANTON T, SAMUEL CORREA, ERIK HAINES, MARK SMITH, JOÃO EIRA, TOM HUMMEL, SARDUS FRANCE, DAVID SLOAN WILSON, YACILA DEZA-ARAUJO, ROMAIN ROCH, DIEGO LONDOÑO CORREA, YANICK PUNTER, CHARLOTTE BLEASE, NICOLE BARBARO, ADAM HUNT, PAWEL OSTASZEWSKI, NELLEKE BAK, GUY MADISON, GARY G HELLMANN, SAIMA AFZAL, ADRIAN JAEGGI, PAULO TOLENTINO, JOÃO BARBOSA, JULIAN PRICE, EDWARD HALL, HEDIN BRØNNER, DOUGLAS FRY, FRANCA BORTOLOTTI, GABRIEL PONS CORTÈS, URSULA LITZCKE, SCOTT, ZACHARY FISH, TIM DUFFY, SUNNY SMITH, JONWISMAN, WILLIAM BUCKNER, PAUL-GEORGE ARNAUD, LUKE GLOWACKI, GEORGIOS THEOPHANOUS, CHRIS WILLIAMSON, PETER WOLOSZYN, DAVID WILLIAMS, DIOGO COSTA, ALEX CHAU, AMAURI MARTÍNEZ, CORALIE CHEVALLIER, BANGALORE ATHEISTS, LARRY D. LEE JR., OLD HERRINGBONE, MICHAEL BAILEY, DAN SPERBER, ROBERT GRESSIS, IGOR N, JEFF MCMAHAN, JAKE ZUEHL, BARNABAS RADICS, MARK CAMPBELL, TOMAS DAUBNER, LUKE NISSEN, KIMBERLY JOHNSON, JESSICA NOWICKI, LINDA BRANDIN, GEORGE CHORIATIS, VALENTIN STEINMANN, PER KRAULIS, ALEXANDER HUBBARD, BR, MASOUD ALIMOHAMMADI, JONAS HERTNER, URSULA GOODENOUGH, DAVID PINSOF, SEAN NELSON, MIKE LAVIGNE, JOS KNECHT, LUCY, MANVIR SINGH, PETRA WEIMANN, CAROLA FEEST, STARRY, MAURO JÚNIOR, 航豊川, TONY BARRETT, BENJAMIN GELBART, NIKOLAI VISHNEVSKY, STEVEN GANGESTAD, AND TED FARRIS!

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