amoeba proteus engulfing paramecium bursaria in freshwater, seen with differential contrast

amoeba proteus paramecium bursaria engulfing freshwater aquatic cells cellular interaction microscopy protozoa environment organism movement feeding observation laboratory biology microbiology eukaryotic single celled organismal behavior biome ecosystem water motility phagocytosis predation visual study microscopic specimen research natural survival habitat technique life cycle microorganisms ai generated