A: Bacteria obtain energy by either ingesting other organisms and organic compounds or by producing their own food. The bacteria that produce their own food are called autotrophs. Bacteria that must consume other organic molecules for energy are called heterotrophs.
Nautical Mile vs. Mile. While mile is a unit of distance on land, a nautical mile is used to measure distances at sea. 1 nautical mile = 1.151 mi. Kilometer vs Mile.
The English league is 3 statute miles; The French and Spanish league varies between localities, but is about 2.5 and 4.2 miles respectively. The metric league is 4 kilometers. Then there is the nautical league. A nautical league is 3038 fathoms. There are 6 feet in a fathom A statute mile contains 5280 feet A British nautical mile (admiralty mile) contains 6080 feet.