To know your BMI level, note down your your height in inches and weight in pounds. Now using the BMI formula, you can calculate if you are overweight, obese, underweight or normal. BMI Categories: Despite certain limitations, the BMI is a great way to check the proper height and weight of an individual.
Dolphins survive by living within groups to protect one another, by eating various food found throughout the ocean and by breathing when they surface. Their bodies also help to support them after millions of years of evolution to the slender, torpedo shape that can swim quickly and powerfully.
Every species has its own life history, or schedule according to which it passes on its genes to the next generation. Some animals invest their time and energy in having lots of babies while they're young; others use their resources to live longer. An animal might live fast if there are lots of predators aroundâif you're going to die young, you might as well get the baby-making over with as early as possible.