Movement Of Substances In And Out Of Cells

Question 1

diffusion

Answer 1

net movement of particle from high concentration to low concentration until evenly spread. particles gas or solute. Doesn’t require energy and is random

Question 2

osmosis

Answer 2

movement of water from high to low concentration through semi permeable membrane

Question 3

active transport

Answer 3

moving up to against gradient concentration. energy is used
no respiration means no active transport
semi permeable membrane