Sadly,I only know the answer to # 1.U,Me,and ur friends (or the animals trying to keep their family safe) and we/they are protecting the forest,we can't breath with out trees after all!
I believe the answer is fish vertebrates. i hope this helped
Heaps and heaps and heaps and heaps of them!
Nonpoint source pollution comes from several locations. If they cannot find the origin of the pollution it can be almost impossible to regulate. Or they may not have enough funding.