<span>During adolescence are kcalorie needs per unit of body weight the highest.
</span>The amount of energy (calories) needed during adolescence<span> is high – between the ages of 15–18 years.
</span>Adolescence is characterized by rapid physical growth and changes in body composition and this is the reason why <span>nutritional and energy needs in this period are increased.</span>
It is called desert animal survival thats the adaption
Genetic variation happens when one organism in the population mates with a genetically different organism. Same species, different genetics such as color or height/weight.
