Arborist Podcast

Photosynthesis Explained – Introduction to the ISA Certified Arborist Exam


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Welcome to the Arborist Podcast, your go-to channel for mastering the science and skills behind professional tree care and ISA Certified Arborist exam prep!


In this episode, we break down photosynthesis — the most essential process in all of tree biology — and explain how it directly impacts tree growth, canopy health, root development, and energy storage.


You'll learn:


What photosynthesis is and where it happens in a tree


The roles of chlorophyll, chloroplasts, and stomata


How sunlight, carbon dioxide, and water turn into glucose and oxygen


The step-by-step process: light absorption, photolysis, and carbon fixation


Why understanding photosynthesis is critical for arborists


How water management, pruning, and stress influence photosynthetic efficiency


Key facts you must know for the ISA exam: xylem, phloem, and more


Whether you're a student, practicing arborist, or just curious about how trees function, this deep-dive will give you the clarity and confidence you need.


👉 Hit like, subscribe, and comment below with your next topic request — and share this video with anyone studying for the ISA test!


🌱 Stay sharp. Stay rooted. And keep growing.

🎥 Full video lessons available on YouTube

Search: “Arborist Podcast” or visit: http://www.youtube.com/@arboristpodcast



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