skip to main content
Visitante
Meu Espaço
Minha Conta
Sair
Identificação
This feature requires javascript
Tags
Revistas Eletrônicas (eJournals)
Livros Eletrônicos (eBooks)
Bases de Dados
Bibliotecas USP
Ajuda
Ajuda
Idioma:
Inglês
Espanhol
Português
This feature required javascript
This feature requires javascript
Primo Advanced Search
Busca Geral
Busca Geral
Acervo Físico
Acervo Físico
Produção Intelectual da USP
Produção USP
Primo Advanced Search Query Term
Input search text:
Show Results with:
criteria input
Qualquer
Show Results with:
Qualquer
Primo Advanced Search prefilters
Tipo de material:
criteria input
Todos os itens
Busca Geral
Busca Simples
This feature requires javascript
Maternal investment, ecological lifestyle, and brain evolution in sharks and rays
Mull, Christopher ; Yopak, Kara ; Dulvy, Nicholas
Dryad 2020
Texto completo disponível
Citações
Citado por
Exibir Online
Detalhes
Resenhas & Tags
Mais Opções
Nº de Citações
This feature requires javascript
Enviar para
Adicionar ao Meu Espaço
Remover do Meu Espaço
E-mail (máximo 30 registros por vez)
Imprimir
Link permanente
Referência
EasyBib
EndNote
RefWorks
del.icio.us
Exportar RIS
Exportar BibTeX
This feature requires javascript
Título:
Maternal investment, ecological lifestyle, and brain evolution in sharks and rays
Autor:
Mull, Christopher
;
Yopak, Kara
;
Dulvy, Nicholas
Notas:
Data on brain size, body size, brain region size, reproductive mode, and ecological lifestyle for 100 species of sharks, skates, rays, and chimaeras.
Descrição:
Across vertebrates increased maternal investment (via increased pre- and postnatal provisioning) is associated with larger relative brain size, yet it remains unclear how brain organization is shaped by life history and ecology. Here, we tested whether maternal investment and ecological lifestyle are related to variation in brain size and organization across 100 chondrichthyans. We hypothesized that brain size and organization would vary with level of maternal investment and habitat depth and complexity. We found that chondrichthyan brain organization varies along four main axes, according to: (1) absolute brain size, (2) relative diencephalon and mesencephalon size, (3) relative telencephalon and medulla size, and (4) relative cerebellum size. Increased maternal investment is associated with larger relative brain size, while ecological lifestyle is informative for variation between relative telencephalon and medulla size, and relative cerebellum size after accounting for the independent effects of reproductive mode. Deep-water chondrichthyans generally provide low levels of yolk-only (lecithotrophic) maternal investment and have relatively small brains, predominantly comprised of medulla (a major portion of the hindbrain). Whereas, matrotrophic chondrichthyans – which provide maternal provisioning beyond the initial yolk-sac – found in coastal, reef, or shallow oceanic habitats have large relative brain sizes, predominantly comprised of telencephalon (a major portion of the forebrain). We demonstrated, for the first time, that both ecological lifestyle and maternal investment are independently associated with brain organization in a lineage with diverse life history strategies and reproductive modes.
Editor:
Dryad
Data de criação/publicação:
2020
Idioma:
Inglês
Links
org
This feature requires javascript
This feature requires javascript
Voltar para lista de resultados
Anterior
Resultado
2
Avançar
This feature requires javascript
This feature requires javascript
Buscando em bases de dados remotas. Favor aguardar.
Buscando por
em
scope:(USP_VIDEOS),scope:("PRIMO"),scope:(USP_FISICO),scope:(USP_EREVISTAS),scope:(USP),scope:(USP_EBOOKS),scope:(USP_PRODUCAO),primo_central_multiple_fe
Mostrar o que foi encontrado até o momento
This feature requires javascript
This feature requires javascript