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.
Miles and nautical miles are two units used for measuring length and distances. Both have older origins compared to the SI units, and they are not consistent units. Miles. Mile, also called the statute mile or the land mile is a unit for measuring length in the imperial system of units. 1 Mile is equal to 5,280 feet or 1,760 yards. It is equal to 1609.34 meters and 1.60934 km. Before 1959, the yard was not a convention as a unit and the length of yard varied from country to country.