Photosynthesis - BBC Bitesize
How do plants help you breathe? | BBC Earth
Why Do Animals Need Oxygen: Definition, Requirements & Examples - Eschool
Plant Metabolism - Biology Online Tutorial
Photosynthesis: What is it and how does it work? | BBC Science Focus Magazine
Science for Kids: Oxygen Cycle
How do plants produce oxygen? | Culture Online - UCL – University College London
Carbon Dioxide
Do Plants Emit Oxygen and Carbon Dioxide at Night? | Britannica
What is photosynthesis?
Do Plants Need Oxygen? What Oxygen is Used for & Why - Flourishing Plants
The Photosynthesis Reaction - Advanced | CK-12 Foundation
Photosynthesis - Understanding Global Change
How do plants breathe? | Juneau Empire
Biology: Photosynthesis: Level 1 activity for kids | PrimaryLeap.co.uk
Photosynthesis - Wikipedia
Sugar and Carbon - The Photosynthesis Cycle | HowStuffWorks
Root Respiration: Why plants need oxygen to thrive
Plants Don't Produce Oxygen (O2) From Carbon Dioxide (CO2) - Garden Myths
Do you know which plants release Oxygen at Night?
Photosynthesis in Plants
How do plants obtain and release oxygen during photosynthesis? - Quora
What is Photosynthesis | Smithsonian Science Education Center
Plant Respiration Lesson for Kids - Video & Lesson Transcript | Study.com
Photosynthesis in organisms (article) | Khan Academy
