In this video, we go over the basics of ecology—what it is, how life spreads across the planet, and how different species interact with each other and their environment. It’s a slow, calm walkthrough of things like biomes, energy flow, and population changes—perfect to fall asleep to or just zone out and listen.

00:00 What Is Ecology?
04:31 Biogeography and Species Distribution
09:19 Energy Sources
14:51 Temperature
18:30 Plant Growth
21:36 Key Abiotic Factors
25:39 Terrestrial Biomes
39:05 Aquatic Biomes
43:09 Oceanic Biomes
49:05 Freshwater Biomes
55:18 Population Ecology and Demography
01:06:00 Life History and Natural Selection
01:11:27 Community Ecology
01:13:26 Predation and Herbivory
01:19:42 Competition
01:22:29 Symbiosis
01:26:31 Community Structure
01:31:22 Community Dynamics

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