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 | | time | views | |
 | Cellular Variation | 9:52 | 10,641 | |
 | Ecosystem Change | 12:19 | 34,953 | |
 | Linked Genes | 17:22 | 114,942 | |
 | A Beginner's Guide to Punnett Squares | 12:15 | 394,919 | |
 | Probability in Genetics: Multiplication and Addition Rules | 10:36 | 137,432 | |
 | Riding the Long Tail | 10:30 | 3,359 | |
 | Genetics Preview | 6:36 | 36,299 | |
 | What is DNA? | 10:31 | 350,254 | |
 | Homeostasis Preview | 7:56 | 20,030 | |
 | Happy Thanksgiving | 3:38 | 3,725 | |
 | Populations | 11:13 | 75,217 | |
 | Cooperative Interactions | 9:35 | 17,457 | |
 | Enzymes | 11:52 | 478,565 | |
 | Ecosystems | 14:50 | 114,865 | |
 | Homeostasis Hugs | 8:35 | 12,900 | |
 | Communities | 13:42 | 64,358 | |
 | Organ Systems | 9:46 | 55,255 | |
 | Cellular Specialization | 9:17 | 56,395 | |
 | Elements of a Feedback Loop | 9:27 | 32,566 | 1 list |
 | Chi-squared Test | 11:53 | 519,703 | |
 | Using Game Design to Improve My Classroom | 12:16 | 15,991 | 1 list |
 | My Year as Teacher of the Year | 13:37 | 4,838 | 1 list |
 | Video Blogging | 1:90 | 2,822 | 1 list |
 | Photosynthesis Lab Walkthrough | 6:45 | 101,181 | |
 | Osmosis Lab Walkthrough | 4:57 | 34,416 | |
 | Osmosis Demo | 4:28 | 84,022 | |
 | Why Are Cells Small? | 5:55 | 61,965 | |
 | Diffusion Demo | 7:17 | 54,275 | |
 | Dropping A Magnet Through A Copper Pipe | 0:16 | 7,720 | |
 | Cellular Respiration Lab Walkthrough | 9:43 | 49,784 | |
 | Cellular Organelles | 9:38 | 130,590 | |
 | Biological Molecules | 15:20 | 215,442 | |
 | The Nervous System | 17:39 | 344,243 | 1 list |
 | Information Exchange | 10:40 | 15,263 | |
 | Effects of Changes in Pathways | 5:44 | 22,776 | |
 | Signal Transduction Pathways | 9:25 | 389,852 | |
 | Cell Communication | 10:35 | 166,646 | |
 | Evolutionary Significance of Cell Communication | 7:20 | 31,277 | |
 | Viral Replication | 10:30 | 229,188 | |
 | Mechanisms that Increase Genetic Variation | 11:44 | 51,829 | |
 | Genotypes and Phenotypes | 12:57 | 133,116 | |
 | Signal Transmission and Gene Expression | 8:37 | 82,781 | |
 | Gene Regulation | 10:60 | 512,499 | |
 | Advanced Genetics | 12:12 | 128,295 | |
 | Mendelian Genetics | 16:40 | 445,944 | |
 | Cell Cycle, Mitosis and Meiosis | 13:39 | 485,321 | |
 | DNA and RNA - Part 2 | 10:00 | 196,453 | |
 | DNA and RNA - Part 1 | 12:29 | 244,648 | |
 | Behavior and Natural Selection | 9:20 | 38,378 | |
 | Mechanisms of Timing and Control | 10:90 | 21,520 | |
 | Development: Timing and Coordination | 13:42 | 48,370 | |
 | Plant and Animal Defense | 13:50 | 41,906 | |
 | Homeostatic Disruptions | 8:60 | 16,295 | |
 | Homeostatic Evolution | 11:25 | 20,966 | |
 | Biotic and Abiotic Factors | 10:60 | 85,512 | |
 | Response to External Environments | 6:32 | 28,156 | |
 | Positive and Negative Feedback Loops | 14:26 | 328,913 | 1 list |
 | Compartmentalization | 9:80 | 59,950 | |
 | Transport Across Cell Membranes | 13:58 | 268,396 | |
 | Cell Membranes | 11:40 | 285,486 | |
 | Environmental Matter Exchange | 8:47 | 30,967 | |
 | Photosynthesis and Respiration | 15:38 | 356,645 | |
 | Life Requires Free Energy | 12:58 | 75,543 | |
 | Gibbs Free Energy | 13:00 | 239,199 | |
 | The Origin of Life - Scientific Evidence | 14:15 | 89,819 | |
 | Abiogenesis | 8:34 | 65,844 | |
 | Evolution Continues | 10:27 | 44,423 | |
 | Speciation | 11:40 | 112,888 | |
 | Speciation and Extinction | 13:00 | 60,017 | |
 | Phylogenetics | 12:45 | 111,024 | |
 | Essential Characteristics of Life | 10:10 | 81,593 | |
 | Evidence for Evolution | 13:40 | 92,250 | |
 | Genetic Drift | 11:29 | 147,508 | |
 | Examples of Natural Selection | 8:53 | 100,917 | |
 | Natural Selection | 10:16 | 189,859 | |
 | Light | 8:44 | 26,482 | 1 list |
 | Sound Waves | 9:36 | 28,656 | 1 list |
 | Waves | 12:80 | 32,678 | 1 list |
 | Law of Superposition | 6:22 | 51,815 | |
 | Plate Tectonics | 9:22 | 236,238 | |
 | Series and Parallel Circuits | 8:50 | 643,968 | 1 list |
 | Voltage, Current and Resistance | 9:47 | 343,401 | 1 list |
 | Electricity and Electric Circuits | 12:20 | 61,709 | 1 list |
 | Potential and Kinetic Energy | 6:70 | 185,606 | 1 list |
 | Energy, Work and Power | 3:34 | 120,872 | 1 list |
 | Simple Machines | 5:51 | 27,390 | 1 list |
 | Momentum | 10:26 | 22,571 | 1 list |
 | Free Body Diagrams | 11:50 | 34,463 | 1 list |
 | Newton's Three Laws of Motion | 7:19 | 35,035 | 1 list |
 | AP Biology Test: A User Guide | 14:47 | 67,012 | |
 | Improving Education - First Draft | 6:36 | 6,458 | 1 list |
 | Position vs. Time Graph - Part 2 | 13:20 | 39,070 | 1 list |
 | Position vs. Time Graph - Part 1 | 12:20 | 62,246 | 1 list |
 | Speed, Velocity, and Acceleration | 14:38 | 210,738 | 1 list |
 | Scalars and Vectors | 12:34 | 99,184 | 1 list |
 | What is Physics? | 9:24 | 45,762 | 1 list |
 | Radiocarbon Dating | 9:29 | 49,007 | |
 | Radiation and Radioactive Decay | 10:56 | 134,421 | |
 | Nuclear Reactions | 11:13 | 12,009 | |
 | The Central Dogma: Transcription and Translation | 9:19 | 95,174 | |
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