Posted by: gillarbuthnott | March 18, 2020

Our Microbe Friends #2 Let’s Talk Rot!

Image result for lion king circle of lifeTime to meet some more of our microbe friends… the ones who make things decay . Now you may think this is NOT a helpful activity when it happens to food in your kitchen, though it can look quite entertaining if you speed it up – have a look at this.

You may also be wondering why there’s a picture of The Lion King here… It’s the Circle of Life, of course!

The only source of chemicals to build new cells – which could be part of  a carrot or a butterfly or you – is the ones that are already here on earth. But these chemicals are tied up in the organisms that already exist, so what can you use to build the new cells?

That’s where the microbes come in: as they rot dead plants and animals, they are breaking down their cells. This releases the chemicals to be re-used to build new cells, to make carrots, butterflies, humans and all the other marvellous plants and squidgy creatures on earth – and it gets rid of the old, dead ones. If it wasn’t for microbes tidying them away, the planet would be cluttered with dead dinosaurs and Romans and unicorns… Well, maybe not unicorns, but you get the idea.

 


Responses

  1. Can’t get the Like button to work, but consider this Liked!


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