How many ants are crawling on Earth? Scientists say 20 quadrillion
Researchers have made the most thorough assessment to date of the global population of ants—insects that have colonized almost everywhere on the planet.
An ant collects honeydew from an aphid(photo credit: DAWIDL/CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/)/VIA WIKIMEDIA COMMONS)ByREUTERS