[Answer] Approximately how many species have been identified on Earth?

Answer: about 1.7 million

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Approximately how many species have been identified on Earth? How Many Species on Earth? | California Academy of Sciences How Many Species on Earth? | California Academy of Sciences Number of Species Identified on Earth - Current Results How Many Species on Earth? | California Academy of Sciences 29 rows · Altogether the earth's oceans lakes continents and islands support over 66 000 identified species of vertebrate animals and more than 307 000 species of plants. The species totals do not include domestic animals such as sheep goats and camels. Nor do … Eight million seven hundred thousand species ! (Give or take 1.3 million.) That is a new estimated total number of species on Earth—the most precise calculation ever offered—with 6.5 million species found on land and 2.2 million dwelling in the ocean depths. Until now the number of species on Earth was said to fall somewhere within the large range of 3 and 100 million. Thu Aug 25 2011 · PUBLISHED August 25 2011 Even after centuries of effort some 86 percent of Earth 's species have yet to be fully described according to new study that predicts our … Ecological diversity is a measure of the number of niches trophic levels and ecological processes of a biological community. The total...

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