Answer:
Phenotypic variation, then, is the variability in phenotypes that exists in a population. For example, people come in all shapes and sizes: height, weight, and body shape are phenotypes that vary. Hair, eye color, and the ability to roll your tongue are variable phenotypes, too
Explanation:
Answer:
Participating in physical activities can improve health-related fitness. Improving muscular strength and endurance slows bone density loss. Cardiorespiratory fitness improves the efficiency of the cardiovascular and the respiratory systems in delivering oxygen to the body.
You most likely have something to do with dna and everyhting e;se
Nutrition food and diet contorl over all health
