Homework Help Forum: 11th grade Biology

Posted by Alicia on Friday, September 18, 2009 at 3:30pm.

I have three questions that I can't find anywhere. 19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the: A. Organisms at the top of the evolutionary tree B. Generalists C. Specialists D. Invertebrates E. All of the above 20) A major player in the flow of energy through the biosphere is (are) the A. Atmosphere B. Magnetosphere C. Microsphere D. Bacteria E. All of the above 22) At least 45% of the solar radiation is: A. Reflected by dust, clouds and the earth's surface B. Used to drive the water cycle C. Involved in photosynthesis D. Absorbed by the earth and the atmosphere E. Is a part of the Albedo Effect I know it looks like a lot, but any help would be much appreciated. I have 54 questions and all of them are very hard. I do my courses through correspondence, so there is no teacher or classmate help. My brain hurts lol.

• 11th grade Biology - SraJMcGin, Friday, September 18, 2009 at 3:41pm

  For #19, try here: http://www.google.com/search?q=organisms+at+the+greatest+risk+when+the+dynamic+equilibrium+is+upset&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a For #20, try here: http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla:en-US:official&hs=Glj&ei=NuKzSvWPN47eNamUvNoO&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=major+player+in+the+flow+of+energy+through+the+biosphere&spell=1 And for #22, try here: http://www.google.com/search?q=at+least+45%25+of+the+solar+radiation+is&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra

  
  

• 11th grade Biology - Alicia, Friday, September 18, 2009 at 3:57pm

  Thank you!

  
  

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