BOTANY

Detailed explanation-1: -A watershed is an entire river system-an area drained by a river and its tributaries. It is sometimes called a drainage basin.

Detailed explanation-2: -Foreign-Assisted and Special Projects Service-Glossary of Terms-watershed. A land area drained by a stream fixed body of water and its tributaries having a common outlet for surface runoff.

Detailed explanation-3: -A watershed, also called a drainage basin or catchment, is an area drained by a river and its tributaries.

Detailed explanation-4: -A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel.

Detailed explanation-5: -A river basin is the portion of land drained by a river and its tributaries. It encompasses all of the land surface dissected and drained by many streams and creeks that flow downhill into one another, and eventually into the Milwaukee River.