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The Effect of Climate Change on Photosynthetic Pathways


A micro-lecture that describes the different photosynthetic pathways in plants and the potential effect of climate change on these processes and pathways. This lecture by Raghu Murtugudde, University of Maryland, created for the TROP ICSU project at IISER Pune, India, highlights the difference between C3 and C4 photosynthetic pathways, and how plants evolved to optimise their growth in a changing climate.

Students will learn about the differences between C3 and C4 pathways as well as why certain plants evolved to have C4 pathways. They will also learn about the optimum temperatures at which these processes work and how plants respond to changes in CO2 concentrations in the atmosphere.

Use this tool to help your students find answers to:

  1. What is photosynthesis?
  2. What are some of the differences between C3 and C4 photosynthetic pathways?
  3. Discuss how climate change affects the photosynthetic pathways of plants.
About Tool
Tool Name Plant Response to Climate Change
Discipline Biological Sciences
Topic(s) in Discipline Photosynthesis, Botany, Plant Physiology, Photosynthetic Pathways, C3 and C4 Plants
Climate Topic Climate and the Biosphere
Type of tool Video (8 mins)
Grade Level Undergraduate
Location Global
Language English
Translation      –
Developed by Raghu Murtugudde at the Science Media Centre, IISER Pune, India
Hosted at Youtube
Access Online
Computer Skills Basic


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