Answer
100,000-200,000 in the wild and 250 in zoos around the world. I am unsure of the numbers for those in biomedical research labs.
Answer
There's a possibility of chimpanzees left but, they do reproduce, maybe 20,000 or less
Female chimpanzees mate with as many males as possible to prevent infanticide
Leopards sometimes eat chimpanzees along with many other animals.
One
80
All of them
Many in using u and me
55
400
3
Yes and many other apes.
1
Usually one.