C3, C4 & CAM Plants A Quick Comparison Plants follow different photosynthetic pathways to fix carbon dioxide, based on their environmental adaptation and efficiency. C3 plants fix CO directly Caring for Fig Trees in Spring When to Wake Up Your Fig Food Garden Life: Edible Garden, Vegetable Garden, Edible Landscaping How to Care for Elephant Bush easyplant Rare and Endangered Plant Spotlights United States Botanic Garden