* Are heterotrophic: This means they cannot produce their own food like plants do, and instead obtain nutrients from other organisms.

* Have cell walls made of chitin: This is a tough, durable substance that provides structural support.

* Reproduce using spores: Fungi release spores that are dispersed by wind or water and can develop into new fungi.

* Are typically multicellular: While some fungi are single-celled (like yeasts), most are multicellular and form complex structures like mushrooms.

* Absorb nutrients from their surroundings: Fungi break down organic matter and absorb nutrients through their cell walls.

In summary, fungi are a diverse group of organisms characterized by their heterotrophic nature, chitinous cell walls, spore reproduction, and absorptive mode of nutrition.