1 If you're under 16, it can helpful to bring along a parent or guardian for the initial interview with the people seeking babysitting. 2  This reassures the other parents that your own parents are invested in your success and that you mean business, and it also protects you.
Evolutionary biology. Fitness (often denoted w {\displaystyle w} or Ï in population genetics models) is the quantitative representation of natural and sexual selection within evolutionary biology. It can be defined either with respect to a genotype or to a phenotype in a given environment.
A Academy of Nutrition and Dietetics answered. Fitness is a broad term that means something different to each person, but it refers to your own optimal health and overall well-being. Being fit not only means physical health, but emotional and mental health, too. It defines every aspect of your health.itness is a set of attributes that people have or achieve that relates to the ability to perform physical activity. The Centers for Disease Control and Prevention (CDC) cite five components of physical fitness-muscular strength, flexibility, cardiorespiratory endurance, muscular endurance and body composition.