This could be wrong but I am giving a decent suggestion: All ions are atoms with a negative charge.
Three things that effect a life system would be
- sunlight
-water
-energy/food
Hope this helps
Not having clean water to drink or bath. Also some organizations that live in the water might die because the water is polluted and that would be toxic form them
A negative ion is a atom that has an extra electron, but the same # of protons