Lettuce Hedgehog Caterpillar Frog Grass Spider Rabbit Sparrowhawk   Lettuce Makes its own food using energy from the sun. Hedgehog Eats slugs and caterpillars. Caterpillar Eats lettuce. Frog Eats grasshoppers. Grass Makes its own food using energy from the sun. Spider Eats aphids. Rabbit Eats lettuce and grass. Sparrowhawk Eats voles and thrushes. Aphid Eats grass. Thrush Eats slugs and spiders. Vole Eats grasshoppers. Slug Eats lettuce. Grass snake Eats frogs. Grasshopper Eats grass. Fox Eats hedgehogs, voles and rabbits.