How come we don't eat worms, but we eat fish that eat worms? A video features the food chain and explains why a food web is a better explanation for biodiversity. It includes explanations of producers, autotrophs, consumers,...

Rhinozilla is Mia's bearded dragon and the focus of this lesson on energy flow in an ecosystem. She uses him to explain the energy pyramid, from producers through third level consumers, and she likens the food chain to a video game. Mia...