Below are some useful videos and a knowledge organiser for revising the B4 biology topic on Bioenergetics.
Bitesize GCSE Biology
Bitesize Combined Science
Photosynthesis
Limiting factors of photosynthesis
Respiration
Exercise and Metabolism
Resources for use in school (not YouTube)
Questions which are aimed at Grades 1-4
Questions which are aimed at -Grades 7-9