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Evolutionary transitions among egg-laying, live-bearing and maternal inputs in sharks and rays
Sharks and rays are thought to have a large number of independent origins of live-bearing. We examined evolutionary transitions to live-bearing and maternal input to embryos in this subclass by optimizing reproductive characters onto a composite phylogeny. Egg-laying (40 per cent of all species) is...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
1997
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1688595/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rspb.1997.0181 |
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