What is a food chain? All living things including humans, animals and plants need energy to live. But, where do they get their energy from? The answer is easy - all living things get their energy ...

Food chains show the complex, interconnected relationships between all living things in our ecosystem. Each aspect of the food chain, including producers, consumers, and decomposers, all contribute to ...

Unfortunately, when mercury gets into a food chain, it damages the nervous systems and reproductive systems of mammals, including humans. The diagram shows how mercury can accumulate in the food ...