One feature of living things is their need for food. From meat-eating carnivores and plant-picking herbivores to all-consuming omnivores and even living things that eat light this series looks at the different foods living things need to survive. Whole page food chain for each living group.|One feature of living things is their need for food. From meat-eating carnivores and plant-picking herbivores to all-consuming omnivores and even living things that eat light this series looks at the different foods living things need to survive. Whole page food chain for each living group.