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The book collects the works presented during the XII meeting of the Italian Group of Evolutionary Biology, held in Florence in February 2004. Evolutionary theories are illustrated with balance from different points of view (from the perspective of historians, zoologists, paleontologists, anthropologists, molecular biologists) in the light of some recent experimental and theoretical discoveries. The debate and the diversity of investigations demonstrate the validity and relevance of the study of biological evolution.

Medical genetics.

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The book collects the works presented during the XII meeting of the Italian Group of Evolutionary Biology, held in Florence in February 2004. Evolutionary theories are illustrated with balance from different points of view (from the perspective of historians, zoologists, paleontologists, anthropologists, molecular biologists) in the light of some recent experimental and theoretical discoveries. The debate and the diversity of investigations demonstrate the validity and relevance of the study of biological evolution.

Medical genetics.

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How can we put together the study of genes, embryos and fossils? Can fossils demonstrate evolutionary changes in the reproductive modes? How have changes in the chemical composition of the oceans influenced the development of sea organisms? What does the micro-structure of bones and teeth reveal about reaching maturity, longevity and changes in the growth cycles of extinct organisms? «Embrioni nel tempo profondo» discusses these and other topics by offering a critical synthesis of concepts from comparative anatomy, ecology and developmental genetics. This book illustrates how fossils can provide information not only about the anatomy of adults, but also about the life history of individuals at different times in their lives. The transformations occurring during the life of an organism and the mechanisms enabling them, one of the main topics of modern biology, are discussed in a comparative and integrated way, revealing that fossils offer a unique insight into the central ideas of evolution and development. Come possiamo mettere insieme lo studio dei geni, degli embrioni e dei fossili? I fossili possono dimostrare dei cambiamenti evolutivi nelle modalità riproduttive? Come hanno influenzato lo sviluppo degli organismi marini i cambiamenti della composizione chimica degli oceani? Cosa ci rivela la microstruttura delle ossa e dei denti a proposito del raggiungimento della maturità, della longevità e dei cambiamenti nei cicli di crescita degli organismi estinti? Embrioni nel tempo profondo discute questi e altri argomenti proponendo una sintesi critica di concetti che provengono dalla anatomia comparata, dall'ecologia e dalla genetica dello sviluppo. Questo libro illustra come i fossili possano fornire informazioni non solo sulla anatomia degli adulti ma anche sulla life history degli individui in diversi momenti della loro vita. Le trasformazioni che avvengono durante la vita di un organismo e i meccanismi che le rendono possibili, uno degli argomenti principali della biologia moderna, sono discusse in modo comparato e integrato, rivelando che i fossili offrono una visione unica sulle idee centrali dell'evoluzione e dello sviluppo.

Evolution (Biology) --- Developmental genetics. --- Palaeontology.