How are these related: human, mold, bacteria?

Human and bacteria have many relationships, both beneficial and negative ones. Our immune system is constituted by healthy bacteria for example, while pathogenic bacterias can give us illness, desiase and sickness.

Mold also have a relation with humans, but a negative one. Since they cause many types of illnesses and desiases.

Hope it helped,

BioTeacher101

1.fossils 2.analogous organs 3.homologous organs