I recently started a biology/chemistry class with a focus on aquaponics, or an ecosystem with with both biotic and abiotic factors. The class is next to the school greenhouse, and when I got a good look at it, it had a fully functional aquaponics system with an aquarium and a media bed with a giant tomato bush! Now, I've spent over two years researching and studying aquaponics as many of you have. So, when the question of "how-an-aquaponics-system-works" was asked I raised my hand, a…