The Chain In My Lunchbox
A food chain shows how each living thing gets its food. With a simple food chain each link in the chain is food for the next link. A food chain always starts with plant life and ends with an animal. The nutrients that plants are able to capture from the atmosphere and take up from the soil and the same nutrients that end up in your lunchbox. Agriculture’s purpose is to grow plants and other crops, and raise animals for food, other human needs, or economic gain. Agriculture is a supply step in a food chain. Natural and human actions can change the environment where food is produced. These changes can be induced by physical action and by chemical action and reaction.