This video summarises Part 1 of what you need to know about topic 19. Organisms & Their Environment from the Cambridge IGCSE syllabus of Paper Biology 0610, for exams in 2023,2024 and 2025.
00:00 Welcome
00:10 Please Subscribe
00:29 Energy Flow
01:34 Key Definitions
02:21 Types of Consumers
02:41 Food Chains & Food Webs
04:03 Trophic Levels
05:50 Human Impact on Food Webs
07:56 Pyramids of Numbers
10:01 Pyramids of Biomass
11:46 Pyramids of Energy
12:05 Loss of Energy
