Energy comes from the natural, inbiult motion, rather than from some external source (ATP)
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Passive forms of transport
All particles are constantly in motion
due to their own kinetic energy
Motion is random
Particle are constantly bouncing off 1 another and other objects
e.g. the sides of the vessel in which they are contained
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Definition of Diffusion
THE NET MOVEMENT OF MOLECULES/ IONS FROM REGION WHERE THEY ARE MORE HIGHLY CONCENTRATION TO ONE WHERE THEIR CONCENTRATION IS LOWER UNTIL EVENLY DISTRIBUTED
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