An ecosystem is a geographical

where plants, animals, the landscape and the climate all interact.

where plants, animals, the landscape and the climate are all independent of each other.

where only plants live.

independent of all other areas.

- "the acute form of diverticulitis can manifest itself with one or more severe attacks of infection and inflammation.

the inflammation of diverticulitis can eventually result in a bowel obstruction, which may cause constipation, thin stools, diarrhea, abdominal swelling or bloating, and abdominal pain."