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Anti-tank dogs – a Soviet, World War II weapon that had mixed success. Canines with explosives strapped to their backs were used as anti-tank weapons. Project Pigeon – a proposed U.S. World War II weapon that used pigeons to guide bombs. Bat bomb, a U.S. project that used Mexican free-tailed bats to carry small incendiary bombs.
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...
Pages in category "Military animals of World War I" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. C.
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs.
The British pet massacre was a week-long event in 1939 in which an estimated 400,000 cats and dogs, a quarter of England's pet population, were killed so that food used for animals could be reserved to prepare for World War II food shortages.
Combined with the five-kingdom model, this created a six-kingdom model, where the kingdom Monera is replaced by the kingdoms Bacteria and Archaea. [16] This six-kingdom model is commonly used in recent US high school biology textbooks, but has received criticism for compromising the current scientific consensus. [ 13 ]
[10] [11] The taxa "animal kingdom" (or kingdom Animalia) and "plant kingdom" (or kingdom Plantae) remain in use by some modern evolutionary biologists. The initial targets of Cavalier-Smith's classification, the protozoa were classified as members of the animal kingdom, [12] and many algae were regarded as part of the plant kingdom. With ...
The word animal comes from the Latin noun animal of the same meaning, which is itself derived from Latin animalis 'having breath or soul'. [6] The biological definition includes all members of the kingdom Animalia. [7] In colloquial usage, the term animal is often used to refer only to nonhuman animals.