microscopic creatures
- microbesMicroscopic living organisms
- bacteriaNucleus-free single-celled organisms
- amoebaShape-shifting single-celled organism
- planktonDrifting marine microlife
- protozoaSingle-celled eukaryotic organisms
germs · cells · organisms · paramecium · algae · diatoms · tardigrade · mites · spores · petri dish · slide · lens · invisible · teeming · swarm · pond water · droplet · flagella
size
microscopic creatureswhales
Massive marine mammals
megafauna · elephants · blue whale · dinosaurs · leviathans
ecological prominence
microscopic creaturesapex predators
Dominant hunters, no natural enemies
keystone species · flagship species · lions · tigers · bears