Here's why:

* Cellular Structure: Fungi are made up of cells, which are the basic building blocks of life.

* Metabolism: Fungi carry out metabolic processes, like respiration and nutrient uptake.

* Growth: Fungi grow and develop over time.

* Reproduction: Fungi reproduce sexually or asexually, producing offspring.

* Response to stimuli: Fungi react to changes in their environment, like temperature and light.

While fungi may not be plants or animals, they share many characteristics with other living organisms.