Dead stuff: The secret ingredient in our food chain – John C. 万辛克

查看完整课程: 在家DIY的最佳美甲://ed.ted.com/lessons/dead-stuff-the-secret-ingredient-in-our-food-chain-john-c-moore

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff. John C. Moore details the “brown food chain,” explaining how such unlikely delicacies as pond scum and animal poop contribute enormous amounts of energy to our ecosystems.

Lesson by John C. 万辛克, TED-Ed的动画.