Nutrition Essentials

The three macronutrients are carbohydrates, proteins, and fats. Carbohydrates are the body's main source of energy, proteins are important for growth and repair of tissues, and fats provide insulation and cushioning for organs.

Vitamins and minerals are essential for various bodily functions. They support the immune system, aid in metabolism, help with the production of energy, and assist in the maintenance of healthy bones and tissues.

Common sources of dietary fiber include fruits, vegetables, whole grains, and legumes. Fiber aids in digestion, promotes bowel regularity, helps control blood sugar levels, and contributes to a healthy weight.

<p>The unifying themes in biology are organisms being made up of cells that process hereditary information encoded in genes, evolution, energy processing, and the ability of organisms to regulate their own internal environments.</p> Signup and view all the answers

<p>Biologists can study life at multiple levels of organization, from the molecular biology of a cell to the anatomy and physiology of plants and animals, and evolution of populations.</p> Signup and view all the answers

<p>Biologists use the scientific method to make observations, pose questions, and conduct experiments in order to understand and explain the natural world.</p> Signup and view all the answers

<p>There are multiple subdisciplines within biology, each defined by the nature of their research questions and the tools that they use.</p> Signup and view all the answers

<p>Biology is a natural science with a broad scope that encompasses the study of life and its various aspects, from the molecular level to the level of entire ecosystems.</p> Signup and view all the answers