Unicellular v Multicellular (2025)
If you want to be bigger than an Amoeba you need either giant cells or lots of cells. As the SA:Vol ratio limits cell size the only option is to be an organism made from lots of cells. The human body contains trillions of cells. This activity is about the characteristics of living things, cell differentiation and the complexity that emerges from simple cells joining together to make organs, emergent properties. A...