cells living in extreme environments, cells living in extreme environments with extreme modifications
extremely old cells/ fossils of unicellular organisms
giant cells!, eg, motor axon, chara, giant plant cells
exteme protozoa and protists, for eg. tetrahymena, paramecium, euglena, vorticella
sperms which are larger or comparable to the body size
parasitic cells that control their hosts making them zombie like!!
beasties with multiple endosymbionts, endosymbioonts within endosymbioonts!!
Utricularia, coelenterates, cells from multicellular organisms with special properties
diatoms
metabolic extremophiles
