Final answer:
True: Almost all cells have a small size less than 0.1mm in diameter.
Step-by-step explanation:
True:
Almost all cells have a small size less than 0.1mm in diameter. Prokaryotic cells, which include bacteria, are typically smaller in size, ranging from 0.1 to 5.0 μm in diameter. Eukaryotic cells, which make up plants, animals, and fungi, are larger with diameters ranging from 10 to 100 µm. The small size of prokaryotic cells allows for efficient diffusion of ions and molecules, while larger eukaryotic cells have developed different adaptations for intracellular transport.