tributary
A stream or river that feeds into another river is called a tributary. Tributaries play a crucial role in the overall health and flow of a river system, as they contribute water, nutrients, and sediment to the main river.
It is called a tributary.
A Tributary!
A tributary.
Snake River
The river that feeds into Hoover Dam is the Colorado river.
These are called predators.
A Parasite
Parasite.
When one river meets another, it is called a tributary.
If you count bacteria and viruses, a virus tends to feed off bacteria.