Useful alien species

Vietnam
October 14, 2006 10:26am CST
I have a homework at school, the teacher requires me to find out information about some useful alien species. Can anyone help me !
1 response
@nancygibson (3737)
• France
14 Oct 06
What country are you in? An alien for you may be native to me!
• Vietnam
14 Oct 06
well, i live in Vietnam. however i need the info of alien all over the world whether it is native to you or not! Thanks