Sökning: "Cambrian"
Visar resultat 1 - 5 av 48 uppsatser innehållade ordet Cambrian.
1. Kinematic Enrolment in Four Ordovician Trilobites Using Three-Dimensional Modelling
Master-uppsats, Uppsala universitet/PaleobiologiSammanfattning : Trilobites were a successful group of marine arthropods that thrived for much of the Palaeozoic Era. Akey innovation of trilobites involved the capacity to enrol their biomineralized exoskeletons for protection; a trait that appeared early in their evolutionary history during the Cambrian Period. LÄS MER
2. The Origins and Ecology of Early Paleozoic Spreiten Ichnofossils: Comparisons of Daedalus and Syringomorpha with Alectorurus
Magister-uppsats, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : The Cambrian explosion not only shaped the ecosystems of the Phanerozoic, but fundamentally changed how biota interacts with the environment, including the substrate. Cambrian trace fossils Alectorurus and Syringomorpha as well as Ordovician-Silurian Daedalus represent novel modes of faunal interaction with the newly innovated shallow marine mixed-ground and have surprisingly limited stratigraphic ranges. LÄS MER
3. The evolutionary origins of consciousness
Magister-uppsats, Högskolan i Skövde/Institutionen för biovetenskapSammanfattning : Some unanswered questions about consciousness as a biological phenomenon lie in its evolutionary origin and distribution among living organisms. Which animals are conscious and when did consciousness appear in the history of life on earth? The purpose of this thesis is to shed light on these long-standing questions by reviewing the literature on the evolutionary approaches to the fundamental concept of phenomenal consciousness. LÄS MER
4. Geologisk karaktärisering av den kambriska Faluddensandstenen i Östersjön och dess lämplighet för koldioxidlagring
Kandidat-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : The Geological Survey of Sweden (SGU) has spent several years investigating the Swedish bedrock to find suitable bedrock for geological storage of carbon dioxide. Deep saline aquifers are considered to have the greatest potential, and the Cambrian Faludden Sandstone subcropping in the Baltic Sea east of Gotland, shows great potential as a storage aquifer. LÄS MER
5. Parapeytoia yunnanensis: The organism that connects the upper stem-group euarthropods
Kandidat-uppsats, Uppsala universitet/PaleobiologiSammanfattning : The study of euarthropod evolution in the Cambrian is challenging due to controversies surrounding the identification of various anatomical features. Radiodontans are supported to be a monophyletic group to the lower stem of euarthropods. LÄS MER