photosynthesis, response, carbon dioxide, nutrient, pollinate, oxygen, reproduce, produce, structures, stimulus, germinate
https://www.youtube.com/watch?v=18amLZ9vfG8
https://www.youtube.com/watch?v=p3St51F4kE8
https://www.youtube.com/watch?v=tkFPyue5X3Q
https://www.youtube.com/watch?v=2SBVz4MgeIE
https://www.youtube.com/watch?v=p51FiPO2_kQ
https://www.youtube.com/watch?v=AHSVT6vQ3pM