Based on the risk factors discussed in the film, which of the following groups should consider taking vitamin D supplements to avoid rickets? A. Adults with dark skin who live close to the equator. B. Children born to parents with light skin living close to the equator. C. Adults with light skin who live far from the equator. D. Children born to parents with dark skin living far from the equator.

D) Children born to parents with dark skin living far away from the equator

Explanation:

Rickets is a disease condition in children which is characterized by the softening and weakening of the bones caused by the deficiency of vitamin D.

Vitamin D is responsible the absorption of calcium and calcium plays a role in the formation of stronger bones and teeth.

Children born to parents with dark skin living far away from the equator are at a risk of developing rickets. As vitamin D is majorly naturally produced in our skin on exposure to sunlight, a dark skin prevents adequate penetration of sunlight into the skin.

Also, living far away from the equator where there is little sunlight all year, complicates the issue.

In order to resolve this, such kids should be given vitamin D supplements to meet their daily needs.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.