ENERGY FLOW THROUGH ECOSYSTEMS: calculations + exam practice (Exam 1) HD

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