<span>D. A theory is backed up by repeated observations and tests.</span>
The Nervous System and The Endocrine System.
Riparian zones are attractive to livestock because they contain lush vegetation that livestock like to eat.
Riparian zones are the transitional areas between land and a water body such as rivers, streams, or lakes. Riparian zones are attractive to livestock because they contain lush vegetation; a vegetation that has a greater variety of plant species. Shrubs such as willows, herbaceous and aquatic plants, such as rushes and sedges, and trees can be found in riparian zones.
