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Many insects are ecologically beneficial as predators of pest insects, while a few provide direct economic benefit. Two species in particular are economically important and were domesticated many centuries ago: silkworms for silk and honey bees for honey. Insects are consumed as food in 80% of the world's nations, by people in roughly 3,000 ...
For example, cats and dogs were kept by soldiers in the trenches to "help maintain hygiene" by culling the rodent population. [12] Terrier dogs were especially useful, more so than cats, as they were bred to kill vermin and for hunting purposes which was applied to eliminating rats in the trenches. [13] As such, many terriers were used as ...
The fossils that were considered as Devonian insects, such as Rhyniognatha hirsti [17] or Strudiella devonica [18] were later reconsidered that their affinities as insects are insufficient. [ 3 ] [ 19 ] But based on phylogenic study, the first insects probably appeared earlier, in the Silurian period, [ 16 ] from stem-group crustaceans like ...
Before World War II, the events of 1914–1918 were generally known as the Great War or simply the World War. [1] In August 1914, the magazine The Independent wrote "This is the Great War. It names itself". [2] In October 1914, the Canadian magazine Maclean's similarly wrote, "Some wars name themselves. This is the Great War."
Globally, averages of these predictions estimate there are around 1.5 million beetle species and 5.5 million insect species, with around 1 million insect species currently found and described. [3] Between 950,000–1,000,000 of all described animal species are considered insects, so over 50% of all described eukaryotes (1.8 million species) are ...
"WWI Timeline". The Great War. USA: Public Broadcasting System. "WWI Timeline". National Wwi Museum and Memorial. USA: National World War I Museum. "World War One Timeline". UK: BBC. "New Zealand and the First World War (timeline)". New Zealand Government. "Timeline: Australia in the First World War, 1914-1918". Australian War Memorial.
The losses were for the period 4 August 1914 until 30 September 1919, included 573,507 "killed in action, died from wounds and died of other causes"; 254,176 missing less 154,308 released prisoners; for a net total of 673,375 dead and missing. There were 1,643,469 wounded also listed in the report. [179]
Almost as soon as they were invented, planes were drafted for military service. Battles: 1914 in aviation. Raid on Cuxhaven; Air combat of October 5, 1914 Strategic bombing during World War I (1914–1918) German bombing of Paris during First World War; German bombing of Britain (1914–1918) Bombing of London during the First World War