Model Ecosystems
http://www.mhhe.com/biosci/genbio/virtual_labs/BL_02/BL_02.html
answer thesse 6 quashions as a paragraph , and draw tha maps
http://www.mhhe.com/biosci/genbio/virtual_labs/BL_02/BL_02.html
answer thesse 6 quashions as a paragraph , and draw tha maps