Home Biology 35 Ways Evolution Is Proven All Around Us
Biology By Joe Burgett -

35 Ways Evolution Is Proven All Around Us
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2. The Human ability to consume Milk

When we’re babies, we consume milk quite often. This is either from formula or our mother’s breast(s), of course. Yet as we age, we eventually stop drinking milk and therefore stop producing lactase. This is the enzyme needed to break down lactose products well. That includes things like Milk, Cheese, Butter, Yogurt, and much more. Around 10,000 years ago, however, we began to domesticate animals like cattle.

35 Ways Evolution Is Proven All Around Us
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We then began drinking the milk they produced, even using it for other products. Eventually, a mutation to the Lactase Gene allowed people to break down the contents but nearly 80% of the world is still Lactose Intolerant today. Yet we’re still able to eat or drink these products because of the random mutation. People may still get gassy or have an upset stomach from them, especially with overconsumption, but we no longer die from consuming it all due to this major evolutionary change.

35 Ways Evolution Is Proven All Around Us
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1. Growing from a Child into an Adult

Centuries ago, we aged a bit differently due to living smaller periods of time. This speed at which life started and ended was rapid. This is why women grow up faster and stop growing by their mid-teenage years. They were needed to bring new life to a family. A girl at age 12 can actually have children, however, the youngest girl to give birth on record was only 5 years old. Boys grow slower but this is due to their specific needs for growth.

35 Ways Evolution Is Proven All Around Us
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Both experience hormone changes but women experience a lot more at a faster rate, so give that teen girl crying for no reason a break next time. Boys grow slower and stop growing by their early 20s physically. The reason for this was due to the need for young men to always adapt their development to the environment they are in. On top of this, today we grow up slightly slower than we did back then. We even show our age later, which is why some can look much younger than they truly are.

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