in the food chain process some types of plankton have the role of producer
food_from_ground has germs subchain is chain. food_manufacturing_organization is producer. produce is food. biological_production is production. restaurantchain is food_manufacturing_organization. growing is production. bread_crumbs is food. photosynthesis is process_by_which_leaf_makes_food. farmers has embraced_crops_developed_through_biotechnology