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.
Located in Middlesex County, Lowell (along with Cambridge) was a county seat until Massachusetts disbanded county government in 1999. With an estimated population of 109,945 in 2014, it is the fourth-largest city in Massachusetts, and the second-largest in the Boston metropolitan statistical area.