In the 1800s two scientists, Theodor Schwann and Matthias Schleidern, studied different types of organisms. After many years of studying a great variety of organismns, they drew similar but independent conclusions about their observations. F Schwann studied animal and concuded that all animals are made of cells. What statement was developed most directly from these conclusions and is part of the modern cell theory? Schleiden studied plants and concluded that all plants are made of cells. The functions of living things occur in cells. G Cells exist only in mnulticellular organisms. H Living things are composed of cells. J Cells contain hereditary information.whats the answer?