1.1.2 Storyboard Launch

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CO2!
Energy to!
do work!
Anabolism!
uses up energy!
Catabolism!
generates !
energy !
and waste!
Potential energy!O2!
organics!
minerals!
Chemotrophs!
Lithotrophs!
Organotrophs! Organic!
Inorganic!
All organisms!
Sunight! Not sunlight!
ENERGY!
Phototrophs!
Chemotrophs!
Phototrophs!
Autotrophs! Heterotrophs!
Lithotrophs!
Organotrophs!
ENERGY!
CARBON!
Autotrophs! Heterotrophs!
Food!CO2!
Organic!
Inorganic!
Food!CO2!
All organisms!
Sunight! Not sunlight!
Autotroph!
Heterotroph!
Sunlight!
Chemical!
energy!
Heat!
O2,!
Organic!
molecules!
H2O,!
CO2!
Chemical!
energy!
Heat!
1st Law of Thermodynamics!
High potential energy!
Low potential energy!
1st Law of Thermodynamics!
Food!
Chemical!
energy!
Kinetic!
energy!
High potential energy!
Low potential energy!
Food!
Chemical!
energy!
Kinetic!
energy!
Electrical!
energy!
Kinetic!
energy!
1st Law of Thermodynamics!
2nd Law of Thermodynamics!
Gibb’s free energy equation!
G = H - TS!
free 
energy!
enthalpy! temperature 
x!
entropy!
Enthalpy (H)!
Total energy of the system!
(energy in bonds)!
G = H - TS!
Temperature x Entropy (TS)!
G = H - TS!
Free energy (G)!
(energy that can do work)!
G = H - TS!
portion of 
energy!
that can 
do work!
all!
energy!
portion of 
energy 
that can’t 
do work!
Image credits:
Stanley the French Bulldog image used with permission of owners Jesselynn Opie and Mark 
Lax.
Coal head image used with permission of Alain Viel (course instructor).
Sand castle: Public Domain from US Environmental Protection Agency
http://commons.wikimedia.org/wiki/File:Galveston_Island_Park_Beach_Sand_Castle_
%285984947488%29.jpg
Thermometer: Public domain. Author Vojtěch Hála.
http://commons.wikimedia.org/wiki/File:Temperature_in_eV.svg
Serotonin: Public Domain. Author Ben Mills.
http://commons.wikimedia.org/wiki/File:Serotonin-Spartan-HF-based-on-xtal-3D-balls-
web.png
Apple: Public Domain. Author: James Birkett
http://commons.wikimedia.org/wiki/File:Red_apple.svg
Water drop: Public Domain. Author: openclipart.org.
http://commons.wikimedia.org/wiki/File:Rg1024_Set_of_water_drops.svg
Image credits:
Plant: Public Domain. Author: Francisco Manuel Blanco (O.S.A.)
https://commons.wikimedia.org/wiki/File:Corchorus_acutangulus_Blanco1.141-cropped.jpg
E. Coli: CC-BY-3.0.
Title: Escherichia coli by togopic.png
Author: Database Center for Life Sciences (DBCLS)
http://commons.wikimedia.org/wiki/File:Escherichia_coli_by_togopic.png
License: https://creativecommons.org/licenses/by/3.0/us/