Fungi are heterotrophic eukaryotic microorganisms They are nonphotosynthetic and typically form reproductive spores Algae are phototrophic eukaryotes that contain photosynthetic pigments within a structure called the chloroplast Protozoa are animallike protists exhibiting heterotrophic nutrition and they can be defined as usually motile eukaryotic unicellular microorganismsFungi are heterotrophic eukaryotic microorganisms. They are nonphotosynthetic and typically form reproductive spores. Algae are phototrophic eukaryotes that contain photosynthetic pigments within a structure called the chloroplast Protozoa are animallike protists exhibiting heterotrophic nutrition and they can be defined as usually motile eukaryotic unicellular microorganisms