White House. Washington, D.C. White House, formerly known as the Executive Mansion (1810â1902), the official office and residence of the president of the United States at 1600 Pennsylvania Avenue N.W. in Washington, D.C. The White House and its landscaped grounds occupy 18 acres (7.2 hectares).
Quick Answer. Ecological balance is a theory stipulating that natural conditions, including numbers of various animal and plant species, remain stable on their own through variations over time.
Disturbance and Recovery. by Filip Tkaczyk. Ecosystem succession, also called ecological succession, is the process through which a natural community of plants and animals changes after a disturbance.It is generally understood that ecological succession is a progressive movement towards the most stable community (also called a climax community).ere are a couple of examples of ecosystem succession in the western United States: One example is the coastal chaparral of California. This type of ecosystem has a climax community that is composed of shrub-sized deciduous and evergreen vegetation.