The house fly is one of more than 120,000 species of flies in the world. Visage/Stockbyte/Getty Images. 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.
The favorite choice for the term Roast Beef is 1 medium slice of Roast Beef which has about 110 calories. Calorie and nutritional information for a variety of types and serving sizes of Roast Beef is shown below. View other nutritional values (such as Carbs or Fats) using the filter below: Calories|Total Carbs|Total Fats|Protein|Sodium|Cholesterol|Vitamins.
Calories in lean ground beef In natural lean grass-fed beef there are: . approx 864 calories in 1 pound, or 454g, of lean, grass-fed, raw, ground beef . approx 432 calorâ¦ies in 8 ounces, or 227g, of lean, grass-fed, raw, ground beef . approx 54 calories in 1 ounce, or 28g, of lean, grass-fed, raw, ground beef.