Essays about: "Extant species"
Showing result 6 - 8 of 8 essays containing the words Extant species.
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6. Characterisation of Transcription Factor Regulation During the Development of Zebrafish Craniofacial Structures
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : The appearance of jaws approximately 420 million years ago was a major event in vertebrate evolution. This new structure allowed gnathostomes to take on roles as active predators and increase their energy intake, facilitating their success as a group. READ MORE
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7. Devil Facial Tumour Disease : The cancer that's raising hell in Tasmania
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Since 1996 a mysterious epidemic has been sweeping across the island of Tasmania, threatening the Tasmanian devil (Sarcophilus harrisii) with extinction. The species is endemic to the island which is part of Australia and lies south of Melbourne. Being endemic to the island the devils are of particular risk of extinction. READ MORE
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8. Long bone and vertebral microanatomy and osteo-histology of ’Platecarpus’ ptychodon (Reptilia, Mosasauridae) : implications for marine adaptations
University essay from Lunds universitet/Geologiska institutionenAbstract : The inner bone architecture and histology provide information about life history traits of extant as well as extinct animals. Mosasaurs (family Mosasauridae) are a group of secondarily adapted marine squamates that radiated in the Late Cretaceous, resulting in the evolution of a body plan adapted for pelagic habitats. READ MORE
