On Earth and Life

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  • Created by: Sophie
  • Created on: 11-05-15 14:33

1. What does Haile et al in Ancient DNA reveals late survival of mammoth and horse in interior Alaska, reveal?

  • That the use of sedimentary DNA shows that these megafauna persisted in Alaska until 10,500 yr BP, as opposed to 13,000-15,000 yr BP which was shown by LADS
  • SedaDNA showed that megafauna we extinct long before the onset of the Holocene and that they never overlapped with humans for several millenia
  • Claims that the main cause of megafauna extinction was solely down to overkill and other factors such as climate, vegetation, hyper diseases and terrestrial impact did not contribute at all
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Other questions in this quiz

2. Which was not a key feature of Aristotle's observer of nature role?

  • How should we grasp the real cause of things?
  • Study animals in classes or one by one?
  • What are the differences between the study of living things?
  • Study nature via metaphysics by looking at identity, continuity and logical form etc
  • How do the difference sorts of causes give structure to the enquiry?

3. Which is not a key feature of Foote and Raup, Fossil preservation and the stratigraphic ranges of taxa?

  • Reasonable approximations are possible given non exponential duration distributions and temporal and taxonomic variations in preservability
  • The completeness of the fossil record hinders the inference of the evolutionary rates and patterns
  • You can use these relationship to estimate original distributions of taxonomic duration, preservation probable and completeness given the observed range. No data on the occurences is required
  • When preservation is random and the original distribution of durations is exponential, the inference of durations, preservability and completeness is exact.
  • There is a relationship bteween the true taxonomic durations, preservation probability and observed taxonomic durations

4. Which is not a feature of Lavers, Why Elephants have big ears? (For dinosaurs)

  • He explained his ling of reasoning based in the ecological consequences of differences in metabolic rate and the relationship between predator and prey
  • Claimed they were no longer reptiles as the tetrapod tree showed that they were just a different as mammals were to reptiles
  • Made bold claim in the 90's that dinosaurs were warm blooded just like birds and mammals, as they have always been perceived as cold blooded
  • Bakkers 1960 collated info from palaeontologists, biologists and ecologists and reinterpreted the Mesozoic world

5. What did McGrew, Philosophy of Science, an Historical Anthology, not comment on?

  • The concepts of Prescience, Exemplar and Paradigm.
  • Logical positivism and the Vienna Circle?
  • Demarcation Criterion and the distinction between metaphysics and pseudo-scientific varieties?
  • Lakatos and the methodology of Research Programmes who opposed Kuhn's idea and supported Poppers
  • Kuhn's idea of reflection on actual science history undermines the normative constraint met by a set of rules
  • Popper and his idea that all theories are born refuted?


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