Invasive or alien species have decimated natural ecosystems

Question

Discussion Topic

Topic #1 Invasive or Alien Species

Invasive or alien species have decimated natural ecosystems and cost us untold millions of dollars in environmental damage.

1. Define what constitutes aninvasive oralien species.
2. Why, in general, do invasive species pose such a serious problem for natural ecosystems?
3. Selectone invasive species from the list below (be sure it is different from your classmates) address the following: 
   • • Where did this species come from and where and how was it introduced?
     • What effect has this species had on the ecosystem?
     • Provide one new interesting or surprising fact about your species.