What characterizes the vegetation found in a riparian zone? 

A)  It is a kind of algae in watering holes for cattle. 
B)  It is poisonous to cold-water fish. 
C)  It can destroy a grassland ecosystem. 
D)  It can be easily destroyed by trampling and overgrazing.

Riparian Zone

Areas adjacent to rivers and streams with distinct vegetation and soil conditions, important for ecosystem health and biodiversity.

Trampling

The damage to vegetation or soil compaction caused by heavy foot or vehicle traffic.

Overgrazing

The depletion of vegetation due to livestock grazing at a higher density than the land can sustainably support, leading to soil erosion and desertification.