Read the following sentences from the text. “But some creatures have just a single cell, like an amoeba. They are called unicellular organisms. Other creatures, like us human beings, are collections of cells. These are called multicellular organisms. Multicellular organisms can range in size from brown algae to large animals like elephants and whales, which have trillions of cells." What can be concluded about cells based on this information? * Unicellular organisms were once part of collections of cells. Cells in multicellular organisms are stronger than unicellular organisms. Cells can only support life if they are part of a multicellular organism. Some cells can support life independently. Other cells support life collectively.