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This week we learned that one characteristic of life is diversity. Our definition of life is growing each week. I wonder what else we need to consider when defining life.

 Life is an improbable assembly of cluster and diverse interdependent living organisms, undergoing continual changes.

The idea of categorizing and forming clusters was a little surprising. At least I was surprise of being in the same category with a fish. We always come across the idea of categorizing being arbitrary however I must say that we (humans, biologist) do it because is useful. Making categories and naming organism helps us communicate.