2. A species that occurs in an environment naturally is called a exotic species native species natural species
3. When an exotic species overwhelms a native species it becomes a native species an invasive species an indigent species
4. In North America, dogs, cats, horses and cows are all native species feral species exotic species
5. Domesticated animals like cats and pigs that become wild or feral make good pets can harm native populations are good for the environment
Score = Correct answers:
New Hampshire Public Television 268 Mast Road, Durham, NH 03824. 603-868-1100 Fax 603-868-7552 Contact NHPTV ©2008 All rights reserved
