Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
bacterial:Cell is isolated and Independent. It survives as an individual on its own. human:Cytoplasmic bridges are present which help in inter-cellular transport in between neighboring cells. bacterial:No cytoplasmic bridges as there is only one cell.