hat three traits are used to classify organisms?

A
Cell type, how they create energy, number of cells they have

B
Cell type, if they're living or dead, the number of organs they have

C
How they create energy, how many years they live, how big they are

D
The number of cells they have, the number of years they live, the number of offspring they produce

A. Cell type, how they create energy, number of cells they have