Here’s Why We All Get to Eat

new birch leaves
photo by Marilylle Soveran

Today I bring you a tribute to the engine of the life, something that if you’re like me, living in the Northern Hemisphere, you have been outside celebrating in recent days. The cherry trees are opening their blossoms, the lambs are cavorting on greening pastures, and everyone wants to be outside in shirtsleeves, taking in the bright sun.

Photosynthesis!

Mr Latimer’s bottle garden was planted 53 years ago and watered once in 1972. It thrives on sunlight alone, due to the balance of oxygen from bacteria (animals) and CO2 from plants exchanging moisture and nutrients. It’s a microcosm of our planet, which acquires nothing from outside our atmosphere but sunlight (well, the occasional meteorite, too) yet air and water circulate between our lungs and the green plants in a wonderful harmony. You can read more about this HERE.

The light of the Sun is what makes this go. Here’s a simple diagram of the exchange.

photosynthesis

Some of you may remember the challenge of tracking the whole business in organic chemistry — you might remember it as being complicated, and chemically, it’s pretty amazing and intricate. But the way it works is a simple exchange, and because it works, we all get to eat! I don’t know about you, but I find this bloody AMAZING.

Here, this is even simpler:

See that second half of the equation? The sugar is the source of ALL THE FOOD WE EAT. Even if you are a carnivore, the animals you eat grew up eating plants. We are all eating sunlight, by virtue of the photosynthetic process. And yeah, we get to breathe the oxygen. Pretty convenient if you ask me.

And then there’s the icing on the cake:

It’s Beautiful:

Star Magnolia

 

How did you celebrate being alive today?

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