Answer :
domain because it is the most broad of all kingdoms and doesn’t have specific classifications
The kingdom that has the most new discoveries each year is that of Animalia.
What is a kingdom ?
A kingdom is a large classification of organism that belong to one family. There are five types of kingdoms that facilitate the classification of the living organisms and these include the kingdom of a Monera, Protista, Fungi, Plantae, and Animalia.
From these kingdom of Animalia is the largest having more than 1,000,000 species. Some are without cell walls and some without photosynthetic elements.
Find out more information about the kingdom.
brainly.com/question/26111648.