8
Phosphorus and nitrogen are limiting nutrients for plant growth.
Added 8/16/2016 2:20:02 PM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [8/17/2016 3:00:08 AM]
8
Most communities are dynamic, and this is shown most strikingly in the fire-driven succession of forested and shrubland areas.
Added 8/16/2016 2:20:06 PM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [8/17/2016 3:00:23 AM]