Answer:
An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.
Explanation:
nitrogen
The organism belongs to the Protista kingdom as it is unicellular, has cell walls, and has the ability to produce spores.
there is less energy on the 5th level, the less the energy, the smaller the food chain
