One watershed can encompass another watershed.
true
false

The given statement is true

Explanation:

Watersheds are area that drains the rainwater and streams to a common vent, like- mouth of a bay, reservoir outflow etc. It is also regarded as a drainage basin. It includes- lake, reservoir, stream, groundwater etc.

A large watershed contains in it many small watersheds depending on their outlet. For example- the Mississippi Water Basin.  The continent of America is divided by two water sheds, one which has an outlet in Atlantic Ocean and the other has in the Pacific Ocean.

Thus the above mentioned is true for watersheds.

Through their Respitory and Digestive Systems.

Explanation: Organisms breathe in order to get necessary oxygen into the body as well as consume foods and liquids in order to get all the other nutrients required to make energy. Energy is created with these nutrients through individual cells in a form called ATP.