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.
From Wikipedia, the free encyclopedia. A nautical mile (symbol M, NM or nmi) is a unit of distance that is approximately the length that spans one minute of arc on the surface of the Earth, measured along any meridian. By international agreement it has been set at 1,852 metres exactly (about 6,076 feet).he geographical mile is the length of one minute of longitude along the Equator, about 1,855.4 m on the International (1924) Spheroid or about 1,855.325 m on the WGS 84 ellipsoid. Bowditch defines it as 6,087.08 feet, which is 1,855.34 metres.