Cells continuously talk to one another and their natural environment. Sign transduction is the method by which cells obtain and reply to indicators from the surface environment. The Rise of Eukaryotic Cells: Eukaryotic cells, with their intricate construction, are thought to possess originated from a symbiotic consortium of prokaryotic cells. https://maps.app.goo.gl/UmD5JM5ww6NgkMzV9