Besides the hundreds or thousands of metres of fungal mycelium in a teaspoon of healthy soil, there are more bacteria,protists, insects and arthropods than the number of humans who have ever lived on Earth.
Ascladistics andphylogenetics became increasingly emphasised in modern taxonomy, Protista was revealed to be an artificial grouping of several independentclades, and its use as a formal taxon was gradually abandoned. For more information, seeProtist on Wikipedia.Wikipedia
Protist on Wikipedia.Wikipedia