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Oligocene: Quiz

  
  
  

Question 1: The legumes of the pea and bean family spread, and sedges, bulrushes and ________ continued their ascent.
EmbryophyteFernPlantFlowering plant

Question 2: The name Oligocene comes from the Greek ὀλίγος (oligos, few) and καινός (kainos, new), and refers to the sparsity of additional modern mammalian faunas after a burst of evolution during the ________.
Geologic time scaleEarthEocenePaleocene

Question 3: The baleen and toothed ________ (whales) just appeared, and their ancestors, the archaeocete cetaceans began to decrease in diversity due to their lack of echolocation, which was very useful as the water became colder and cloudier.
Toothed whaleOceanic dolphinBeaked whaleCetacea

Question 4: Other factors to their decline could include climate changes and competition with today's modern cetaceans and the carcharhinid ________, which also appeared in this epoch.
Bullhead sharkAngel sharkSharkGreat white shark

Question 5: ________ probably appeared near the end of the epoch from a bear-like or otter-like ancestor.
RaccoonPinnipedCarnivoraSea otter

Question 6: ________ continued to become more isolated and finally developed a permanent ice cap.(Haines)
Kalahari DesertAntarcticaAtacama DesertDesert

Question 7: In North America, subtropical species dominated with cashews and lychee trees present, and temperate trees such as roses, ________ and pine were common.
Fagus sylvaticaNothofagusBeechFagus grandifolia

Question 8: Many groups during this time, such as horses, entelodonts, rhinoceroses, oreodonts, and ________, became more cursorial during this time, adapting to the plains that were spreading as the Eocene rainforests receded.
CamelidCamelDromedaryCattle

Question 9: Important Oligocene land faunas are found on all continents except ________.
BarbadosCanadaUnited KingdomAustralia

Question 10: ________ expanded from the water-bank habitat in the Eocene and moved out into open tracts; however even at the end of the period it was not quite common enough for modern savanna.(Haines)
GrassAgriculturePoaceaeCattle
















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