it is a producer the bottom of the food chain and it is responsible for feeding the smaller fish through making its energy by photosythesis so yes its a producer
The most complex cellular organization is actually the organisms but since its not on the choices its the organs.
The concentration of the solute in the solution affects osmosis especially in the value of the osmotic pressure since they are directly related. An increase in concentration will also result to an increase in the osmotic pressure and vice versa. It is <span>the minimum </span>pressure<span> which needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.</span>