A food chain shows how plants and animals get their energy. The arrow means 'is eaten by' and shows the movement of energy in the food chain. The initial source of energy for all food chains is ...

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the ...

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 ...