How many living things are on Earth? This study says 1 trillion.
 

How many living things are on Earth? This study says 1 trillion.
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Calculating how many species exist on Earth is a tough challenge. Researchers aren't even sure how many land animals are out there, much less the numbers for plants,*fungi or the most uncountable group of all: microbes.

**w, researchers have attempted to use the laws of math to make an estimate that includes both micro and macro life. The researchers estimated that there may be as many as 1 trillion species out there.

SEE ALSO: Biodiversity abounds: Stunning photos of the Amazon


The research is based on scaling laws, which predict a proportional change linking two variables. For example, scaling laws apply to the change in metabolic rates*as body size changes, and to the number of species found by geographical area. Read more...


More about Biology, Life, Earth, Plants, and Animalshttp://feeds.feedburner.com/~r/Mashable/~4/4zTdsEwf3Lc