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Titanosaur: Quiz


Question 1: The fossil evidence suggests they replaced the other sauropods, like the diplodocids and the brachiosaurids, which died out between the late Jurassic and the mid-________ Periods.
CretaceousCretaceous–Tertiary extinction eventDinosaurGeologic time scale

Question 2: Only recently have skulls or relatively complete skeletons (see ________) of any of the roughly 50 species of titanosaur been discovered.

Question 3: [3] Only ________ has yielded no titanosaur remains.
Atacama DesertAntarcticaDesertKalahari Desert

Question 4: The titanosaurs were the last great group of sauropods before the ________, about 90–65 million years ago and were the dominant herbivores of their time.
Cretaceous–Tertiary extinction eventDinosaurGeologic time scaleK–T boundary

Question 5: The head was also wide, similar to the heads of Camarasaurus and ________ but more elongated.

Question 6: [2] Four well preserved skeletons of a titanosaur species were found in ________, a discovery first reported on May 2, 2006.

Question 7: A large titanosaurid nesting ground was discovered in Auca Mahuevo, in Patagonia, ________ and another colony has reportedly been discovered in Spain.
BrazilChileArgentinaBuenos Aires

Question 8: Many are poorly known, and much of the material may either be deemed invalid or be reclassified as understanding of the ________ grows.
PhylogeneticsCladeComputational phylogeneticsGhost lineage

Question 9: While the ________ (hip area) was slimmer than some sauropods, the pectoral (chest area) was much wider, giving them a uniquely 'wide-gauged' stance.
TorsoPelvisBoneHuman leg

Question 10: One possible ________ is presented here, and follows a 2007 analysis by Calvo and colleagues.
PhylogeneticsCladogramPhylogenetic treeComputational phylogenetics

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