1. Unit A Energy and Matter Exchange in the Biosphere

7. http://curriculum.calstatela.edu/courses/builders/lessons/less/les5/les5gifs/kelp3.gif http://staffwww.fullcoll.edu/tmorris/elements_of_ecology/images/tree_in_field.jpg http://www.visindavefur.hi.is/myndir/phytoplankton_070305.jpg http://www.krisweb.com/krissheepscot/krisdb/html/krisweb/stream/algae.jpg

11. http://www.windows.ucar.edu/earth/climate/images/carboncycle_sm.jpg The Carbon Cycle

13. Incoming solar energy= Outgoing solar energy http://www.nasa.gov/centers/goddard/images/content/172159main_polar_radiation_budget_large.gif

17. Food Chains vs. Food Webs http://www.absc.usgs.gov/research/seabird_foragefish/marinehabitat/images/Food_Web3.gif http://www.kidsgeo.com/images/food-chain.jpg

19. Pyramid of Numbers http://openlearn.open.ac.uk/file.php/1656/SK220_2_003i.jpg Some times this pyramid can be such that second trophic level can have more numbers in it than the first trophic level.

20. Pyramid of Biomass http://kentsimmons.uwinnipeg.ca/16cm05/1116/54-12-BiomassPyramids-L.gif

21. Pyramid of Energy http://kentsimmons.uwinnipeg.ca/16cm05/1116/54-11-NetProductPyramid-L.jpg This graphic shows that only 10% of the energy from one trophic level is transferred to the level above it.

22. Why isn’t there a Quaternary consumer?

23. Biomagnification http://www.ec.gc.ca/ceqg-rcqe/English/Html/Mercury/images/fig4.gif