Answer:
Vitamin D is essential for strong bones,because it helps the body use calcium from the diet.
The removal of Balanus shows that the realized niche of Chthamalus is smaller than its fundamental niche. <span>These two species of barnacle do not show competitive exclusion.</span>
It is autosomal. However I'm unsure what you would do to explain.
Among the options, lupus can be the best answer. Lymphatic diseases can affect one's lymph,nodes and lymph vessels. Lupus is a systemic autoimmune disease occurring when one's immune system attacks one own tissues as well as organs. It can affect different systems in the body.
The place where an organism lives
