The Average Life Span of a Fly. The house fly is one of more than 120,000 species of flies in the world. Temperature is a large factor in each stage of a fly's life. For example, after hatching from his egg in less than a day, a house fly may spend days or weeks in each of the other stages of development.
Flank Cuts. Flank steak is a relatively lean cut of beef. For less than 165 calories, you can have a 3-ounce broiled flank steak. The biggest percentage of those calories, or 60 percent of calories, are from protein. This serving of flank steak has close to 100 calories from protein.
Lamb rib chop, broiled/grilled by overhead heat: 1  67 calories per ounce or 28g (lean only) 2  268 calories in 4 oz or 114g (lean only)  402 calories in 6 oz or 170g (lean only).