Loss of habitat is the single greatest threat to any species. If an island on which an endemic organism lives becomes uninhabitable for some reason, the species will become extinct. Any type of habitat surrounded by a different habitat is in a similar situation to an island.
Waltham, MA. Waltham is a city in Middlesex County, Massachusetts, United States, was an early center for the labor movement, and major contributor to the American Industrial Revolution.
8:30 a.m.â12:00 p.m. The RTN Credit Union Waltham location is RTNâs main branch. Our staff is happy to work with you to open an account, assist you with a transaction, or help you with your financial needs. Located at 600 Main Street in Waltham, we are right across the street from Waltham City Hall. Members can park in our large parking lot on Elm Street, and also can reach us by public transportation via MBTA commuter rail (Fitchburg/South Acton line) and several bus lines (go to mbta.com for specific routes and information).