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.
Report Abuse. 1 nautical mile is equivalent to 10 cables. A cable is 200 yards, so a nautical mile is a nice round number of 2000 yards. A statute (land) mile is an awkward number of 1760 yards.