Here is an interesting video by Mr. Fox's Science Classroom on Photosynthesis and Cell respiration
to give a picture of another amazing system within the system that is the earth we live on!
https://youtu.be/b-JLg-H2kSY?list=PLVmap4eL-2_i2vzDrbhJctCzmIxwLJZgT
9-1
**Questions for Reflection