Vitamins may be defined as the chemicals that are required in the diet in very small amount and plays an important functional body role. The deficiency of vitamin can cause disease in the individual.
Vitamin D is the fat soluble vitamin that perform different functions in our body. Vitamin D is important for the calcium regulation and its deficiency can cause rickets. The Vitamin C acts as anti oxidant and vitamin B acts as co enzymes.
Vitamins are important for the human body because it plays an important function in the body like in metabolism, calcium absorption, releasing energy from food, cell damage repair, etc.
For example, vitamin D can be made by the body itself. This vitamin is made by the skin when UV radiation from the sun falls on the skin. This vitamin act as membrane antioxidant and helps in inhibiting iron-dependent lipid peroxidation in cell's liposomes.
It also helps in calcium regulation in the body and without vitamin D the dietary calcium is not properly absorbed.
Before the birds were introduced in the new habitat, there were many moths. But now that there are predators for moths, the moths would decrease and will not reproduce as much to make more moths.
According to the law of independent assortment; During meiosis homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other.
This process results to the formation of gametes that have a unique combination of chromosomes.