what ther oxgen level at the bottom of the ocean?does this affect the plants ?

Question: what ther oxgen level at the bottom of the ocean?does this affect the plants ?
- Keywords:
  ocean,
  oxgen
Asked by princess98 to Carol on 1 Jul 2012.
- Carol White answered on 1 Jul 2012:
  
  There’s only al ittle bit of oxygen at the bottom of the sea floor, about one tenth or much less than what we have up here on the surface.
  
  Because it’s so low, very different things live down there! In my experiments, there aren’t any plants – weird!

Question: what ther oxgen level at the bottom of the ocean?does this affect the plants ?