Large urban parks such as Forest Park in Portland can approximate the ecological communities that existed in the area before the city was there. These parks are now surrounded by urban environments. Describe how island biogeography theory would predict how the ecological communities in a large urban park would change over time, compared to the community that existed before the city was built.

Which of the following statements best describes the effect of climate on biome distribution?

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

Biodiversity in the world is

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

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

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