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A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake ... The water in a river is usually confined to a channel, made up of a stream .... river gradients) or in which a particular hard lithology causes a river to have a ... There are several systems of classification based on biotic conditions ...


Anatomy of A River. No matter how different our rivers are, all rivers share some basic anatomy features. American Rivers What parts make up a river?


Mar 14, 2011 ... Together, a river and its tributaries make up a river system. A river system is also called a drainage basin or watershed. A river's watershed ...


tributaries, the main river, and the main body of water that it flows into.


This diagram shows some common characteristics of a river system. Every river is different, however, so not all rivers may look exactly like this illustration.


Aug 17, 2017 ... Let's take a look at what makes rivers so amazing! ... Chart: The world's ten longest river systems (some are made up of two or three rivers ...


A river is different from a lake because water is moving down a river. ... clams, and insect larvae are some organisms that make up the first order consumers.


Water covers about 70% of Earth's surface and it makes up 65-75% of our bodies .... The Murray-Darling river system flows across the continent of Australia.


As the water flows down, it may pick up more water from other small streams, ... Rivers and streams connect with each other in a system called a watershed. ... Although river water makes up only about 0.2 percent of all the fresh water on Earth, ...