Assertion: mastodon | /r/CapableOf | become extinct
Facets:
value: exactly
type: DEGREE
value: because of food scarcity or human hunting
type: CAUSE
value: in north america
type: LOCATION
value: about the same time
type: TEMPORAL
value: following a habitat change from forest
type: TEMPORAL
value: in pockets of eastern beringia
type: LOCATION
Source sentences:
text: Why Did Mammoths and Mastodons Become Extinct?
text: Mastodons became extinct about 11,000 years ago.
text: Both species lived in the ice age, and briefly coexisted before the mastodons became extinct.
text: Mastodons became extinct 10,000 years ago.
text: Why did mastodon, mammoth, and many other large mammals become extinct about 10,000 years ago, while other animals did not?
text: Both mastodons and mammoths became extinct about 10,000 years ago.
text: Mastodons became extinct approximately 11,000 years ago.
text: Just as with the dinosaurs, scientists are not certain exactly why mastodons became extinct.
text: But new data suggests that mastodons became extinct in pockets of eastern Beringia around 75,000 years ago, following a habitat change from forest to tundra.
text: The debate over why mammoths and mastodons became extinct began decades ago with the first discovery of their remains.
text: Mastodons probably became extinct about 10,000 years ago.
text: About the same time mammoths and mastodons were becoming extinct in North America, scientists think early man crossed over the Bering Straight from Asia and began to populate the Western Hemisphere.
text: -It should be possible to determine whether mastodons became extinct because of FOOD SCARCITY OR HUMAN HUNTING, since there are fossil remains from before and after mastodon populations declined and __
text: The mastodon became extinct at the end of the Pleistocene epoch, about 10,000 to 11.000 years ago.