An overgrowth of algae in a lake or river is called a(n) ____________________. Fill in the ...

An overgrowth of algae in a lake or river is called a(n) ____________________.
 
 

____________________ refers to the water that flows up the mouth of a river with rising or in-flowing ocean tides.
 
 

____________________ represent the sum of all feeding relationships in an ecosystem.
 
 

The Peoples Republic of China has implemented a national policy of rapid reforestation in response to damage caused by ____________________.
 
 

____________________ farming means conducting all operations, such as plowing, disking, planting, cultivating, and harvesting, across the slope and on the level.