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.
Sources of Calories. Youâll get 19 to 23 grams of protein from your meaty dish, giving you 76 to 92 calories from protein per 3-ounce portion. The same amount of cooked steak tips contains roughly 12 to 14.5 grams of fat, amounting to 108 to 131 calories.