^{They are all the variety of beings that inhabit our planet}

^{They are only animals and human beings}

^{They are only plants and human beings}

^{Inert objects such as rocks and air}

^{Living beings such as animals and plants}

^{Inert objects and Living beings}

^{Nutrition and Reproduction}

^{Relationship and Nutrition}

^{Nutrition, Relationship and Reproduction}

^{Vertebrates and Invertebrates}

^{Big and Small}

^{Mammals and Fishes}

^{Plants with flowers and Plants without flowers}

^{Plants that can move and Plants that can't move}

^{Plants with organs and Plants without organs}

^{AUTOTROPHS AND HETEROTROPHS}

^{HETEROTROPHS AND NOT HETEROTROPHS}

^{AUTOTROPHS AND NOT AUTOTROPHS}

^{Get materials to build and repair their body and energy to perform the rest of their vital functions}

^{Know what is happening around them and react in an appropiate way}

^{Give rise to others living beings similar to them}

^{Get materials to build and repair their body and energy to perform the rest of their vital functions}

^{Know what is happening around them and react in an appropiate way}

^{Give rise to others living beings similar to them. In this way, new living beings replace those who die}

^{The can not move from one place to another}

^{They are not the only beings capable of making their own food}

^{They do not have organs of the senses}