NDLI: Evolution of Larvae and Developmental Modes

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Evolution of Larvae and Developmental Modes

Content Provider	Scilit
Author	Wray, Gregory A.
Copyright Year	2020
Description	This chapter examines the origin and diversification of metazoan larvae and developmental modes. It discusses the major features of larval evolution, and considers their developmental bases, ecological causes, and evolutionary consequences. Feeding larvae have diversified substantially within many phyla. All of the large phyla, and many of the small ones, contain both planktotrophic and lecithotrophic larvae. As with feeding larvae, repeated evolutionary derivations can provide evidence of adaptive responses. The evolutionary transition to lecithotrophy almost always involves an increase in egg size and usually involves a general simplification of larval structure. The embryos and larvae of marine invertebrates need to do two things: produce the next life-history phase and survive until this can be accomplished. The evolutionary history of metazoan larvae covers immense temporal, ecological, and phylogenetic scopes. The very existence of larvae suggests that some degree of evolutionary uncoupling is possible between early development and adult phenotype. Book Name: Ecology of Marine Invertebrate Larvae
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9780138758950-13&type=chapterpdf
Ending Page	447
Page Count	35
Starting Page	413
DOI	10.1201/9780138758950-13
Language	English
Publisher	Informa UK Limited
Publisher Date	2020-04-08
Access Restriction	Open
Subject Keyword	Book Name: Ecology of Marine Invertebrate Larvae Petroleum Engineering Evolution Adaptive Developmental Metazoan Larvae Phyla Feeding History Survive
Content Type	Text
Resource Type	Chapter

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