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Tiny artifacts unearthed at a Wyoming site where a mammoth was butchered 13,000 years ago are revealing intriguing details about how the earliest Americans survived the last ice age.
The most obvious change associated with the termination of an ice age is the increase in temperature. Between 15,000 BP and 10,000 BP, a 6 °C increase in global mean annual temperatures occurred. This was generally thought to be the cause of the extinctions.
The Pleistocene (/ ˈ p l aɪ s t ə ˌ s iː n,-s t oʊ-/ PLY-stə-seen, -stoh-; [4] [5] referred to colloquially as the Ice Age) is the geological epoch that lasted from c. 2.58 million to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations.
An artist's impression of the last glacial period at glacial maximum [4]. The LGP is often colloquially referred to as the "last ice age", though the term ice age is not strictly defined, and on a longer geological perspective, the last few million years could be termed a single ice age given the continual presence of ice sheets near both poles.
The first humans who spread across North America during the last Ice Age put mammoths at the top of their menu, according to scientists who secured the first direct evidence of the diet of these ...
57 California native plants that survived the Ice Age to live on today. Jeanette Marantos. June 28, 2024 at 2:31 PM. Juniper branch and seeds from circa 50,000 years ago.
Humans arrived in South America approximately 15,000 years ago. [27] Humans arrived after the LGM. The South American deer, Hippocamelus, was known to live in high altitude locations and cold valleys. In the Pleistocene, they lived anywhere between 36.5° S and 54° S. Presently, they live between 40° S and 51° S.
Arctodus is an extinct genus of short-faced bear that inhabited North America during the Pleistocene (~2.5 Mya until 12,800 years ago). There are two recognized species: the lesser short-faced bear (Arctodus pristinus) and the giant short-faced bear (Arctodus simus).