Answer:
diffusion is the answer. Explanation: Diffusion is a process that causes molecules to move until they are evenly distributed, moves from high concentration to low concentration, has no need for added energy and can occur with or without a membrane being present.
Explanation:
hope this helps sorry if its wrong :3
The levels of organization within an organism are __________, molecule, cell, __________, organ, and organ system. (4 points)
A. atom; tissue
B.compound; kidney
C. element; limb
D. nucleus; membrane