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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 timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
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 ...
For events dating from the formation of the universe see: Timeline of the early universe; For events dating from the formation of the planet to the rise of modern humans see: Timeline of natural history, Timeline of the evolutionary history of life and Timeline of human evolution.
The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. [1] [2] [3] They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) in ...
On the season finale of "River Monsters," Jeremy Wade traveled to Guyana to investigate the so-called "water mama." According to locals, the mysterious creature was abducting people.
The type-species of the group, Arapaima gigas, is an important South American food source and charismatic representative of the region. [5] Both Arapaima and Heterotis are cultured for food in their respective countries due to their heartiness and meat, and the arapaima is a prized sport-fish, being the largest truly freshwater fish. [6]
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