In both cases of where the electron transport chain is present in both processes of energy conservation, cellular respiration and photosynthesis, the ion that forms the concentration gradients as a result would be the Hydrogen ion concentration gradient.
4. Antibodies it’s what it contains I’m pretty sure
Producers are dependent on consumers because without the consumers no one would buy the producers product. since no one would be buying the producers product they would have no business. they depend on our money and for us to consume these products