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"Proof" of Common Ancestor Evolution
! Fossil Records [DonExodus2 on Fossil Records|http://www.youtube.com/watch?v=O4GdZOlPrX8] * There are certain characteristics which are only found in mammals, for example: Mammary glands, Hair, Warm-blooded, Nipples, Placental Young. ... Pelage, Ears, Diaphragm, [...etc. Obviously 100% taken from here|http://www.shsu.edu/~bio_mlt/mammals.html]. * Same goes for reptiles, birds, etc. * To disprove evolution: Find a mammal with feathers, or a reptile with nipples (even if just during development) * [The Beloved Phylogenetic Tree|http://www.youtube.com/watch?v=O4GdZOlPrX8#t=1m49s] * [Identical Tree Confirmed in Fossil Record|http://www.youtube.com/watch?v=O4GdZOlPrX8t=1m56s] * Osteolepiforms -> Lungfish -> Ichtyostega * Eusthenopteron ** Fish-like, but with characteristics only in tetrapods: Internal nostrils, labyrithodont teeth, two-part cranium, intracranial joint) ** Begin to see development of distinct arm and leg bones (humerus, ulna, radius; tibia femur fibula) * Panderichthys ** Still fish-like, but now beginning to see tetrapod head develop ** Also had pelvic girdle (instrumental in supporting the developing limbs), spiracles on top of head (breathing tubes -- allowed it to breathe while submerged in mud) * Beloved Tiktaalik ** Fins have basic wrist bones and simple fingers, showing that they were weight-bearing ** Fish: gills, scales ** Fishapod: half-fish, half-tetrapod limb bones and joints (including functional wrist joint and radiating fish-like fins instead of toes), ear region ** Tetrapod: rib bones, mobile neck, lungs *** Says Jonathan Sarfati fails to rebut (@4m36s) * Icthyostega ** Skeletal modifications: loss of posttemporal and supracleithral bones from pectoral girdle; enlargement of scapulocoracoid; new bones (pubis, ischia, ilia) in pelvic girdle; articulating surfaces on neural arches; rib cage and sternum ** Fish-like: lateral line system, notochord, gills, finned tail * Temnospondyls (other fish->amphibians) ** Eryops and Cacops ** Branchiosaurus * Anthracosaus - Ancestral line to the reptiles (includes Diadectes) * Plus: Cheirolepis, Osteolepis, Eusthenopteron (and other rhipidistian crossopterygian fish), Icthyostega ^[Wait---he did elaborate on that.^], Ichtyostegopsis, Pholidogaster, Pteroplax, ... * Amphibian -> Reptiles. Need to develop: Amniotic Egg, Ability to convert ammonia -> Urea, Waterproof skin, Lungs inflated by expansion of the rib cage, Partial septum in the ventricle * [Find a single amniote|http://www.youtube.com/watch?v=O4GdZOlPrX8#t=6m36s] without one of these to disprove evolution: Premaxilla with palatal, maxillary & nasal processes; frontal contacts orbit; various patterns of fenestration related to additional musculature for jaw from dermal skull [...etc, obviously taken from here|http://www.palaeos.org/Amniota#Characters]. * [Seymouria|http://www.youtube.com/watch?v=O4GdZOlPrX8#t=6m44s] - Classic labyrinthodont skull and teeth, with reptilian vertebrae, pelvis, humerus, and digits; amphibian-like (labeled on creationism.org as a dragon). * Hylonomus, Limnoscelis - Slightly amphibian skull (e.g., with amphibian pineal opening), with rest of skeleton classically reptilian. * Cotylosaurs - Gave rise to many reptile groups of tremendous variety (transitions to anapsid reptiles, euryapsid reptiles, or the lepidosaurs (turtles, plesiosaurs, lizards/snakes)) * Synapsid reptiles - Gave rise to mammals and archosaur reptiles (which gave rise to birds) * [Sophomoric taunting|http://www.youtube.com/watch?v=O4GdZOlPrX8#t=7m49s]
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Last changed: 2011/01/09 19:19