Chapter 4 Vocabulary Crossword
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
                       
 
 
Down: 1) Comes from a single place, such as a discharge pipe at a sewage treatment plant or a factory.2) made up of water that is fresh, not salty. This term is also used to describe creatures that live in it. 3) all of the feeding relationships in an ecosystem. Each living thing in a food web provides food energy to other living things in the ecosystem Across: 4) Does not come from a single place. Can come from rainfall, snowmelt, irrigation and other forms of runoff like from construction or industrial sites.5) a geographic area that includes all of the land and waterways that drain into a body of water. Sometimes it is called a drainage basin6) a community of all the living things in an area and the environment in which they live7) a series of plants and animals, each of which depends on the one below it for food. A food chain usually forms part of a much larger food web.
 

 

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