Question

 

  1. Prairie dogs found in grasslands and sea otters found in Pacific coast ecosystems are considered to be keystone species. In your own words, describe how these species influence the following features in their respective ecosystems. (Be sure to describe how the keystone species influences the factor either directly or indirectly): (3 marks) 
  2. Primary producers, competitors, predators, and decomposers 
  3. Physical features of the ecosystem 
  4. Nutrients and other chemicals cycling in the ecosystem 

Prairie dogs found in grasslands and sea otters found in Pacific coast ecosystemsare considered to bekeystone species.In your own words, describe how...
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