Small areas that have a large number of endangered and threatened species are referred to as ______.

Animals can get rid of excessive minerals in their bodies via urine only.  

Microminerals make up roughly 0.5~0.55% of the animal body (on a dry weight basis).

Which of the following minerals function(s) as structural components of the skeleton, and regulators of many physiological functions?(A) Mg(B) P(C) Ca(D) All of the above(E) None of the above(F) A and B

Which one of the following vitamins is responsible for regulation of Ca and P absorption and bone metabolism?A. Vitamin AB. Vitamin KC. Vitamin ED. Vitamin DE. Vitamin B

Which one of the following minerals plays a major role in regulating animal body electrolyte balance and pH homeostasis?(A) K(B) Mg(C) S(D) Ca(E) Zn

One of the main problems associated with dietary phosphorus (P) deficiency is that the animal’s bone becomes weak and is easy to be broken.

The symptoms of cobalt (Co) deficiency are the same as that of vitamin B2 deficiency. 

For digestion and absorption of nutrients the most active portion of the pig’s digestive tract  is in the _______.

Mg, as well as Ca and P, function as structural components of the skeleton and also regulators of many physiological functions.