One example of passive transport is diffusion, when molecules move from an area of high concentration (large amount) to an area of low concentration (low amount). Molecules are said to naturally flow down their concentration gradient
Autotroph is an organism that can produce its own food using water ......
But because Autotrophs produce their own food , they are sometimes called producers .
So you can say Autotroph or producer .
Is that help my friend ?
