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.
Medford is a city in Middlesex County, Massachusetts, in the United States, on the Mystic River, 3.2 miles northwest of downtown Boston. In the 2010 U.S. Census, Medford's population was 56,173. It is the home of Tufts University.