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.
A mile is a unit of distance equal to 5,280 feet or exactly 1.609344 kilometers. It is commonly used to measure the distance between places in the United States and United Kingdom. Nautical Miles A nautical mile is a unit of length equal to exactly 1,852 meters. It is based on one minute (1/60th) of a degree of latitude. The circumference of the Earth is approximately 360 * 60, or 21,600 nautical miles.