Cave bear - Quiz
Cave bear
  • 1. Which species is considered an ancestor to both the cave bear and the brown bear?
A) Ursus arctos
B) Ursus deningeri
C) Ursus spelaeus
D) Ursus etruscus
  • 2. When did the ancestors of cave bears and brown bears diverge?
A) 42,000–44,000 years ago
B) 1.2–1.5 million years ago
C) 130,000–115,000 years ago
D) 2.5–3 million years ago
  • 3. What is another name for Ursus deningeri?
A) Deninger's bear
B) Cave bear
C) Etruscan bear
D) Spelaeus bear
  • 4. When does Ursus deningeri first appear in the fossil record?
A) 40,000 years ago
B) 130,000–115,000 years ago
C) 1.2–0.8 million years ago
D) 2–3 million years ago
  • 5. What is the geographic range of Ursus deningeri remains?
A) From Europe to China
B) Only in North America
C) Only in South America
D) Only in Africa
  • 6. What is the proposed transition period between Ursus deningeri and Ursus spelaeus?
A) The Middle Pliocene
B) The Late Holocene
C) The Last Interglacial
D) The Early Pleistocene
  • 7. What is the proposed name for an intermediate taxon between U. deningeri and U. spelaeus?
A) Ursus etruscus intermedius
B) Ursus brownus
C) Ursus primigenius
D) Ursus spelaeus deningeroides
  • 8. What physical feature of the cave bear was gradually reduced and eventually disappeared?
A) The incisors
B) The canine teeth
C) The three anterior premolars
D) The tail
  • 9. Why did the cave bear likely lose its anterior premolars?
A) Response to a carnivorous diet
B) Environmental cooling
C) Response to a largely vegetarian diet
D) Evolutionary mutation
  • 10. In what location is the third premolar still present in a fourth of the skulls found?
A) Europe
B) Siberia
C) China
D) Conturines
  • 11. What is the term for the process where the last remaining premolar conjugated with the molars?
A) Molarization
B) Cuspidation
C) Dental expansion
D) Premolar fusion
  • 12. What was the benefit of molarization for the cave bear?
A) Stronger jaw bone
B) Easier bone crushing
C) Improved mastication of tough vegetation
D) Better hunting of prey
  • 13. When did the cave bear whose nuclear DNA was sequenced in 2005 live?
A) Between 115,000 and 130,000 years ago
B) Between 42,000 and 44,000 years ago
C) Between 20,000 and 30,000 years ago
D) Between 1.2 and 1.5 million years ago
  • 14. Where was the genomic DNA for the 2005 sequencing project extracted from?
A) A piece of preserved skin
B) The skull bone
C) One of the animal's teeth
D) The femur
  • 15. How many cave bear genes were recovered in the 2005 sequencing study?
A) 10
B) 100
C) 5
D) 21
  • 16. To which modern species is the cave bear more closely related?
A) Sloth bear
B) Sun bear
C) American black bear
D) Brown bear
  • 17. The cave bear split from the brown bear lineage before which event?
A) The diversification of eastern and western brown bear lineages
B) The end of the Last Interglacial
C) The extinction of the dinosaurs
D) The appearance of Ursus etruscus
  • 18. Did the cave bear and brown bear ever hybridize?
A) No, they never interbred
B) Only in captivity
C) Yes, a recent study showed some hybridization
D) Only during the Early Pleistocene
  • 19. What was the typical diet of the cave bear compared to the brown bear?
A) Purely insectivorous
B) Almost entirely herbivorous
C) Almost entirely carnivorous
D) Exclusively omnivorous
  • 20. Who first described cave bear skeletons in 1774?
A) Johann Christian Rosenmüller
B) Johann Friedrich Esper
C) Charles Darwin
D) Carl Linnaeus
  • 21. Who gave the cave bear its binomial name?
A) Johann Christian Rosenmüller
B) Johann Friedrich Esper
C) Richard Owen
D) Georges Cuvier
  • 22. What did Johann Friedrich Esper originally think the cave bear skeletons belonged to?
A) Unicorns
B) Dragons
C) Apes
D) Polar bears
  • 23. During which era did the cave bear live?
A) Jurassic
B) Cretaceous
C) Holocene
D) Pleistocene
  • 24. In which country was the Bears' Cave where 140 skeletons were found located?
A) Poland
B) Germany
C) Romania
D) Austria
  • 25. What are Late Pleistocene cave bears often considered to be?
A) A sub-group of modern grizzly bears
B) An extinct type of primate
C) A single uniform species
D) A species complex
  • 26. Where is Ursus kudarensis primarily located?
A) Central Asia
B) Western Europe
C) Siberia
D) The Caucasus
  • 27. Why are 90% of cave bear skeletons in museums classified as male?
A) Females had no skeletons
B) Misconception about female skeletons
C) Male bones fossilized better
D) Females were more common
  • 28. How did cave bear size change during glaciations?
A) They grew larger
B) They stayed the same
C) They grew smaller
D) They became extinct
  • 29. What feature did cave bears in colder, drier climates possess?
A) Thicker fur
B) More slender mandibles
C) Larger skulls
D) Longer teeth
  • 30. What was a defining characteristic of the cave bear's forehead?
A) Steep
B) Sloped
C) Concave
D) Flat
  • 31. How did the mandibles of cave bears in warmer, wetter climates compare to those in colder climates?
A) They were sharper
B) They were identical
C) They were less slender
D) They were shorter
  • 32. What does the dental microwear of cave bears suggest about their diet?
A) Solely fish-based nutrition
B) High dietary flexibility
C) Strictly carnivorous habits
D) Lack of adaptation to tough foods
  • 33. Which plant type did cave bears primarily rely on?
A) C3 plants
B) CAM plants
C) C4 plants
D) Aquatic algae
  • 34. What suggests that cave bears might have consumed more meat before hibernation?
A) The size of the skull
B) The number of preserved claws
C) Excessive body weight gain
D) Dental microwear patterns on molars
  • 35. What was a common cause of death for cave bears?
A) Hunting by humans
B) Natural old age in the forest
C) Starvation during summer
D) Death during hibernation
  • 36. Which of these is a bone ailment observed in cave bear specimens?
A) Blindness
B) Spinal fusion
C) Muscle atrophy
D) Heart disease
  • 37. What specifically caused broken bacula in male cave bears?
A) Fighting during the breeding season
B) Attacks by cave lions
C) Falls within the cave
D) Severe bone disease
  • 38. Why did cave hyenas target cave bear carcasses?
A) To clear their dens
B) They were territorial rivals
C) As an optimal food resource
D) They used bones for building
  • 39. Where were cave bears NOT found due to extensive glaciers?
A) The Caucasus
B) The Pyrenees
C) Romania
D) Scandinavia
  • 40. What kind of terrain did cave bears prefer?
A) Coastal beaches
B) Forested or forest-edged terrains
C) High-altitude glaciers
D) Open plains
  • 41. What specific disease, other than bone ailments, have cave bears shown evidence of suffering from?
A) Pneumonia
B) Tuberculosis
C) Rabies
D) Flu
  • 42. What geological feature was commonly found in the low mountainous areas inhabited by cave bears?
A) Sandy dunes
B) River valleys
C) Limestone caves
D) Volcanic vents
  • 43. Which of these was a reported ailment found in younger cave bear specimens?
A) Tooth resorption
B) Necrosis
C) Spinal fusion
D) Broken bacula
  • 44. Who excavated the Drachenloch cave between 1917 and 1923?
A) Louis Leakey
B) Charles Darwin
C) Timothy Insoll
D) Emil Bächler
  • 45. Who questioned whether the Drachenloch finds were the result of human interaction?
A) Timothy Insoll
B) A cave explorer
C) A local historian
D) Emil Bächler
  • 46. Where was a rectangular pit containing the remains of at least twenty bears found?
A) Berlin, Germany
B) Regourdou, France
C) Drachenloch, Switzerland
D) Savona, Italy
  • 47. What was found near the remains of the bears in the Regourdou pit?
A) A modern human skeleton
B) An altar for fire
C) A collection of silver coins
D) A Neanderthal burial
  • 48. What discovery in the Basura Cave is thought to be related to cave bear worship?
A) A stone statue of a cave bear
B) A wall painting of a bear
C) A zoomorphic stalagmite surrounded by clay pellets
D) A pile of bear pelts
  • 49. In which city is the Basura Cave located?
A) Paris
B) Rome
C) Zurich
D) Savona
  • 50. In what year was the hypothesis about cave bears losing habitat to humans being researched?
A) 2005
B) 2019
C) 2010
D) 2015
  • 51. How many 'bear hollows' were found in the Chauvet Cave?
A) Around 300
B) Around 15
C) Around 1000
D) Around 50
  • 52. Which paleontologist hypothesized that cave bear populations were fragmented before the glaciers?
A) Stephen Jay Gould
B) Björn Kurtén
C) Richard Leakey
D) Charles Darwin
  • 53. What did mitochondrial DNA research show regarding the cave bear's genetic decline?
A) It occurred only at the end of the Last Glacial Maximum
B) It began long before extinction
C) It was non-existent
D) It was caused by immediate habitat loss
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