Main question

How does primary productivity and energy flows operate in ecosystems?

• Resource A

  
  

  Source: https://earthobservatory.nasa.gov/global-maps/MOD17A2_M_PSN
  These NASA images were made by Reto Stockli, NASA's Earth Observatory Team, using data provided by the MODIS Land Science Team.

  
  
  
  

  Source: https://commons.wikimedia.org/wiki/File:Biomes.jpg
  This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

• Resource B

  
  
  
  
  

  Source: https://commons.wikimedia.org/wiki/File:Annual_Average_Temperature_Map.png
  Author Robert A. Rohde / Berkeley Earth - This file is licensed under the Creative Commons Attribution 4.0 International license

  
  
  
  

  Source: https://commons.wikimedia.org/wiki/File:World_precip_annual.png
  Author Jackaranga - This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International, 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.

  
  
  
  

  Source: https://en.m.wikipedia.org/wiki/File:Sunshine.png

  
  
  

• Resource C

  
  
  
  
  

  Source: https://en.wikipedia.org/wiki/File:EcologicalPyramids.jpg
  Author Thompsma - This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.