Answer:
plasmodial slime mold
Step-by-step explanation:
The organism that best fits this description is a plasmodial slime mold. They are a group of eukaryotic organisms that can either live singly or in colonies.
- They are basically single celled organisms with several nuclei aggregating in a mass.
- When several flagellated cells fuse together, they yield a single cytoplasm with several nuclei.
- They feed on micro-organisms and are ubiquitous in nature.