Approximately how many species are there on earth, without including bacteria, which includes members of Kingdom Bacteria and Kingdom Archaea?Question 4Answera.1 millionb.5 trillionc.5 billiond.1 trillione.5 millionf.1 billion
Question
Approximately how many species are there on earth, without including bacteria, which includes members of Kingdom Bacteria and Kingdom Archaea?Question 4Answera.1 millionb.5 trillionc.5 billiond.1 trillione.5 millionf.1 billion
Solution
Scientists estimate that there are approximately 8.7 million species on Earth. However, about 86% of all species on land and 91% of those in the seas have not yet been discovered, described or catalogued. If we exclude bacteria (Kingdom Bacteria and Kingdom Archaea), the number would be slightly less, but still in the millions. Therefore, the closest answer to your question would be:
a. 1 million
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