Author: Anonymous

In a rural hilly neighborhood, a landowner uses bulldozers to clear all but the largest trees and cleans up a nearby stream, lining the bottom of the stream with decorative rocks and stepping-stones. Planting lawn grasses around the base of the trees, the owner wants to create a park-like setting around his home. We expect that in this ecological simplification of the cleared yard, there will be

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

Which of the following would be most effective in slowing the loss of biodiversity?

In the map above, where will the weather be drier? I. near 30° NII. near 30° SIII. near the Equator

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.