* Size is variable: Both fungi and protists are incredibly diverse groups, with members ranging from microscopic to enormous. There are tiny fungi and huge protists, and vice versa.
* "Bigger" can mean different things: Do you mean:
* Individual size: Some fungi, like mushrooms, can be large, but single-celled protists like amoebas are microscopic.
* Overall size: A fungal network (mycelium) underground can be massive, spanning many acres, while a single protist might be barely visible.
* Cellular size: Some protists have very large individual cells, while fungi are typically composed of smaller, thread-like cells.
In summary: You can't say definitively that fungi are bigger than protists or vice versa. Both groups have a wide range of sizes, and the answer depends on the specific organism and how you define "bigger".