Most likely the closest ancestors to early animals are colonial protists. This is because they are eukaryotic, multicellular organisms that have mitochondria.
What do you mean by Ancestors?
Ancestors may be defined as an early type of animal or plant from which others have evolved.
Due to living in groups, they are known as Colonial protists. The most primitive organisms are cyanobacteria which are single-celled organisms.
Therefore, most likely the closest ancestors to early animals are colonial protists.
To learn more about common Ancestors, refer to the link:
https://brainly.com/question/9640986
