'Space dust' presentation slideshows

PREBIOTIC CHEMISTRY

PREBIOTIC CHEMISTRY. Biophysic course WS 2006, Rome. 1.Science confronting the origin of life on Earth. 1.2.: Prebiotic chemistry. 1. Life originated from inanimate matter as a spontan- eous and continous increase of molecular complexity. Chemical continuity principle - no transcendental

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Sediments and the Sea Floor

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Lecture 23: Mass Extinctions 5.) Cretaceous (144 - 65 mya)

Lecture 23: Mass Extinctions 5.) Cretaceous (144 - 65 mya). Mesozoic : (Permian ? Cretaceous) huge ? in biodiversity End Cretaceous (65 mya): 85% of all spp. gone All non-avian dinosaurs & pterosaurs gone No terrestrial organisms >25 kg survive!

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