| ★ |  Microscopy - GCSE Biology (9-1) 1.3 | Mr Exham Biology @mrexhambio | 746 | Reino Unido | |
| 12 |  Exchange and Transport - GCSE Biology (9-1) 8.1 - 8.2 | Mr Exham Biology @mrexhambio | — | Reino Unido | 71 |
| 2 |  Specialised Cells - GCSE Biology (9-1) 1.2 | Mr Exham Biology @mrexhambio | 2.8K | Reino Unido | 76 |
| 1 |  Eukaryotic and Prokaryotic Cells - GCSE Biology (9-1) 1.1 | Mr Exham Biology @mrexhambio | 2.7K | Reino Unido | 79 |
| 4 |  What is an ecosystem? - GCSE Biology (9-1) - 9.1 | Mr Exham Biology @mrexhambio | 2.6K | Reino Unido | 74 |
| 7 |  Diffusion, Osmosis and Active Transport - GCSE Biology (9-1) 1.15 | Mr Exham Biology @mrexhambio | 2.1K | Reino Unido | 73 |
| 17 |  Monohybrid Inheritance - A Level Biology | Mr Exham Biology @mrexhambio | 1.3K | Reino Unido | 70 |
| 11 |  Parasitism and Mutualism - GCSE Biology (9-1) 9.4 | Mr Exham Biology @mrexhambio | 1.3K | Reino Unido | 72 |
| 16 |  Introducción a la microbiología agrícola 1ra parte | Microorganismos y agricultura @microorganismosyagricultura | 1.2K | — | 70 |
| 15 |  Antibiotic Resistance - A Level Biology | Mr Exham Biology @mrexhambio | 1.0K | Reino Unido | 70 |
| 20 |  Biotic and Abiotic Factors - GCSE Biology (9-1) 9.2 | Mr Exham Biology @mrexhambio | 890 | Reino Unido | 70 |
| 6 |  The Carbon Cycle - GCSE Biology (9-1) - 9.13 | Mr Exham Biology @mrexhambio | 885 | Reino Unido | 74 |
| 5 |  Human Impacts on Biodiversity (Fish Farming/Invasive Species/Eutrophication) - GCSE Biology (9-1)9.9 | Mr Exham Biology @mrexhambio | 830 | Reino Unido | 74 |
| 3 |  Fick's Law - GCSE Biology (9-1) 8.5B | Mr Exham Biology @mrexhambio | 601 | Reino Unido | 74 |
| 9 |  Food Chains - GCSE Biology (9-1) 9.7B | Mr Exham Biology @mrexhambio | 577 | Reino Unido | 73 |
| 8 |  Studying Ecosystems - Core Practicals - GCSE Biology (9-1) 9.5 - 9.6 | Mr Exham Biology @mrexhambio | 562 | Reino Unido | 73 |
| 10 |  Aplicaciones de la microbiología en la agricultura - Sesión 4 | Microorganismos y agricultura @microorganismosyagricultura | 340 | — | 72 |
| 18 |  Microbes Under the Microscope (10 Minutes) | BioTech Whisperer @biotechwhisperer | 123 | Estados Unidos | 70 |
| 19 |  Beginner's Guide to Microbiology (14 Minutes) | BioTech Whisperer @biotechwhisperer | 121 | Estados Unidos | 70 |
| 13 |  Topic : Liver cirrhosis | THE WEST BENGAL UNIVERSITY OF HEALTH SCIENCES @thewestbengaluniversityofh9817 | 104 | — | 71 |
| 14 |  Microplásticos: qué son, cómo afectan al planeta y a tu salud | El Reto del Desarrollo Sostenible | EcoVisiion 360 @ecovisiion360 | 49 | España | 71 |