Innovation and Diversification Via Plasticity-Led Evolution

N. Levis,D. Pfennig

Published 2021 in Unknown venue

ABSTRACT

Biodiversity requires explanation. Why are there so many different kinds of living things, and where do their unique features come from? Historically, biologists have attempted to address these questions by focusing on the ecological and genetic factors that foster evolutionary diversification and innovation. By contrast, less attention has been paid to development. Yet, a key feature of development—its tendency to be adaptively responsive to changes in an organism’s environment—might play a critical role in the origins of new traits and new species. In this chapter, we explore these issues by introducing the concept of plasticityled evolution—adaptive evolution that is set in motion by phenotypic plasticity. As we describe, there are numerous ways that plasticity can contribute to the origins CONTENTS

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