Zygote: A fertilized egg. Our modern understanding of changes that take place within the embryo can be traced to the rise of the cell theory in about 1838. Scientists finally discovered the process by which sperm cells from a male and egg cells from a female combine to form a zygote.
Photo Credit Elena_Danileiko/iStock/Getty Images. No specific combination of foods will automatically cause you to shed some pounds, but if you fill your diet with chicken, vegetables and fruits in an effort to lose weight, you're off to a good start.
Five portions of fruit and veggies per day help people live longer-a team from the Karolinska Institute, Sweden, reported in the American Journal of Clinical Nutrition (July 2013 issue) that if you eat your five-a-day portions of fruit-and-veggies you are likely to live longer.alories are a measure of how much energy there is in the food we eat. By understanding calories you can work out how much food you need to eat. Different foods have varying number of calories per gram or ounce of weight. Below are some general daily calorie requirements for males and females.