Humans Make up Just 0.01 Percent of Life on Earth—But We're Decimating the Rest
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May 21, 2018 · Humankind is revealed as simultaneously insignificant and utterly dominant in the grand scheme of life on Earth by a groundbreaking new assessment of all life on the planet. The world’s 7.6 billion... Question: How much of the land on Earth is covered by humans? According to the FAO Global Land Cover SHARE database, produced in 2014, 0.6% of Earth's land surface is defined as 'Artificial surfaces'. Artificial surfaces include any areas that have an artificial cover as a result of human activities such as construction (cities, towns, transportation), extraction (open mines and quarries) or ... Nearly 13 percent of the world’s biomass is made up by bacteria, while fungi account for about two percent. The researchers also discovered that wild mammals are 10 times less prevalent than humans. Overall, humans have cut the number of wild animals by 85 percent. Livestock such as cattle and pigs, on the other hand, are much more prevalent. The evolutionary history of life on Earth traces the processes by which living and fossil organisms evolved, from the earliest emergence of life to the present. Earth formed about 4.5 billion years ago (abbreviated as Ga (for gigaannum)) and evidence suggests life emerged prior to 3.7 Ga. ago (Although there is some evidence of life as early as 4.1 to 4.28 Ga, it remains controversial due to ... May 25, 2018 · Smart News Keeping you current Humans Make Up Just 1/10,000 of Earth’s Biomass Plants make up 80 percent, but human activity chopped that number in half over the last 10,000 years
Mar 29, 2000 · "Our analysis shows that even if the human impact is much smaller than that - 20 or 30 or even 50 percent of species - it's still going to take 10 million years for the Earth to recover. More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11] Jan 19, 2015 · While our ancestors have been around for about six million years, the modern form of humans only evolved about 200,000 years ago. Civilization as we know it is only about 6,000 years old, and ...
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Jun 19, 2018 · Second, on our own planet, Earth, life appeared quite soon after the planet formed. And that seems to suggest that where there exist the right “Goldilocks” conditions for life it can pop up ...
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