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The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia.
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
A. afarensis also has a relatively small brain size (380–430 cm 3) and a prognathic (anterior-projecting) face. Australopithecines have been found in savannah environments; they probably developed their diet to include scavenged meat.
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers.They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
The Antarctic sponge Cinachyra antarctica has an extremely slow growth rate in the low temperatures of the Southern Ocean. One specimen has been estimated to be 1,550 years old. [70] A specimen, "Ming" of the Icelandic cyprine Arctica islandica (also known as an ocean quahog), a mollusk, was found to have lived 507 years. [71]
The world’s oldest person, Tomiko Itooka, died the night of Dec. 29. She died from natural causes and lived to be 116 years and 220 days old.
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Tomiko Itooka, a 116-year-old Japanese woman who became the oldest living person in August 2024, died on Dec. 29, 2024, according to Guinness World Records.