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Crash course biology is now available on dvd. Hank guides us through the process of natural selection, key mechanism evolution. Gene distribution changes over time, across successive generations, to give.
Hank introduces us to that wondrous molecule deoxyribonucleic acid also known as dna and explains how it replicates itself in our cells. Hank talks about the molecules that make up every living thing carbohydrates, lipids, and proteins how we find them in our environment foo. It's all about the super tiny in this episode of crash course.
Hank gets real with us in a discussion of evolution it's thing, not debate. Our final episodes of anatomy & physiology explore the way your body keeps all that complex, intricate stuff alive and healthy immune system.