Answer:
The answer is D.) Mercury
Answer:
banyan tree --- parrot--- crow--- parrot.
Though both active transport and passive transport involve ion movement and use ion channels to move ions across the cell membrane, in or out of the cell.
Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
So the answer is C.
