The term 'Link in the Food Chain' can be solved by the 7-letter word 'SAUSAGE'. SAUSAGE is a type of processed meat product made from ground meat, salt, spices, and other ingredients. It is usually made from pork, beef, or poultry, but can also be made from game meats such as venison or wild boar. SAUSAGE is a popular food item around the world and is often used as a link in the food chain, either as an ingredient in dishes or as a standalone meal.