The process when molecules tend to move from an area of high concentration to an area of low concentration

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

What is the starting point in replication called

Name the tissue types that form the wall of each organ in questions 7-10