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 living plant and animal must have energy to survive. Plants rely on the soil, water, and the sun for energy. Animals rely on plants as well as other animals for energy. In an ecosystem, plants and animals all rely on each other to live. Scientists sometimes describe this dependence using a food chain or a food web. Food Chain A food chain describes how different organisms eat each other, starting out with a plant and ending with an animal. For example, you could write the food chain for a lion like this: