* Multicellularity means the organism is made up of more than one cell.

* Six Kingdoms of Life:

* Bacteria (prokaryotes, single-celled)

* Archaea (prokaryotes, single-celled)

* Protista (eukaryotes, mostly single-celled, some multicellular)

* Fungi (eukaryotes, mostly multicellular)

* Plantae (eukaryotes, multicellular)

* Animalia (eukaryotes, multicellular)

Therefore, the new life form could belong to any of these kingdoms:

* Protista: Some protists, like algae, exhibit multicellularity.

* Fungi: Fungi are predominantly multicellular.

* Plantae: Plants are all multicellular.

* Animalia: Animals are all multicellular.

It's important to note: Without more information about the organism's characteristics, it's impossible to narrow it down to a specific kingdom.