which of the following organisms is located only in the 3rd trophic level of the soil food web?
a. bacteria
b. fungi
c. protozoa
d. nematodes

C. Protozoa are located only in the third trophic level of the soil food web, whereas bacteria, fungi, and nematodes can be found in other levels as well. Protozoa are unicellular eukaryotic organisms with both animal-like and plant-like characteristics, and this group includes organisms such as ciliates, amoebae, and flagellates. 

Very minute and important evidence needs to be collected in order together detail and figure out what had happened