What are amoeba slime mold plankton and algae some examples of?

Amoeba, slime molds, plankton, and algae are examples of protists, a diverse group of eukaryotic microorganisms. They can be unicellular or multicellular and often inhabit aquatic environments. These organisms play crucial roles in ecosystems, serving as primary producers, decomposers, and food sources for other organisms. Additionally, they exhibit a wide range of forms and behaviors, from the motile nature of amoebas to the complex life cycles of slime molds.