Giant pandas under threat from parasitic worm

Link:http://environment.newscientist.com/article/dn13016-giant-pandas-under-threat-from-parasitic-worm.html

Pandas are under threat from a parasitic worm. This worm is the greatest cause of death to these pandas. Pandas are under a lot of pressure and could go extinct. They might not make it.

Endangered species
Why is this species endangered? Parasitic worms
What could prevent this organism from going extinct? protection
List three things you learned from this article in your own words. pandas are endangered, they might die out, they need protection.
What impact would the absence of this organism have on its ecosystem/community? out of control popullation of panda's food