â¢Habitat Degradation â decline in habitat quality, affects many but not. all species, may be temporary; Primary cause of species extinction. globally and in most countries. â¢Habitat Loss â habitat changed in way that usually adversely affects. most or all species, effects longer term.
Waltham (/ËwÉËlËÎ¸Ã¦m/) is a city in Middlesex County, Massachusetts, United States, and was an early center for the labor movement as well as a major contributor to the American Industrial Revolution.
The formal boundaries for the City of Waltham (see map below) encompass a land area of 12.73 sq. miles and a water area of 1.02 sq. miles. Middlesex County is in the Eastern time zone (GMT -5). The elevation is 66 feet.