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It depends on what you call a "living thing"!Some people would say viruses, but others argue that viruses are too simple to be classed as organisms. This would make bacteria the smallest living things. All scientists agree that bacteria have cells and that viruses do not.Some of the smallest bacteria belong to the genus Rickettsia.
We call anything that is alive an organism.
A living being. You can call it an organism too.
a biotic factor
i think it is a vertebrates
A living thing is called an organism. Organisms grow or develop. They produce energy and have a metabolism. They are built of cells.
DNA or sometimes RNA
It is incorrect to call a virus a microbe because a microbe is a living organism, while a virus is not. Viruses do not exhibit all the characteristics necessary to be classified as a living organism.
Every cell is a living thing. The cell is the basic unit of structure and function of all living things.
well if it has veins then it is a living animal or human, if it is like a rock, tree, flower, car, nut, computer, shoe, clothes, anything that is not living has no veins.