00:00 = Key ecology definitions
03:50 = Energy flow through a food chain
11:25 = Trophic level definition
14:47 = Photosynthetic efficiency
20:33 = Gross vs Net Primary Productivity (GPP vs NPP)
24:42 = Exam Q1
27:48 = Exam Q2
42:18 = Gross ecological efficiency
47:24 = Primary vs Secondary production
57:39 = Exam Q3 energy flow
1:04:53 = Exam Q4 key example of application
1:16:23 = Summary activity
1:18:24 = Pyramids of NUMBERS vs BIOMASS
1:21:41 = Pyramids of ENERGY