"Plant biology" refers to the study of plants and the different aspects related to their structure, function, growth, and interactions with their environment. Full definition
One complication is that though plants certainly need CO2 to grow, providing more of it doesn't mean that all aspects of plant biology change in sync. (sciencenews.org)
On this side you can find links to online resources that are useful for education in plant biology at all levels, from primary and secondary and university level. (spps.fi)
The goal of this project is the creation of a comic book series that communicates plant biology research to children ages 9 to 12. (aspb.org)