Food Chains Word Search Puzzle. Fun word search puzzle all about Food Chains. Black and white ink friendly word search puzzle that your students will love. Includes 26 different words related to Food Chains. Includes solution. Thanks and enjoy! Terms included are: abiotic animals autotroph biotic carnivore chain competition consumer decomposer detrivore ecosystem energy feeder food herbivore heterotroph nutrients omnivore organism photosynthesis plants predator prey producer scavenger web Food Chains | Food Web | Science | Printables | Worksheets | Word Search | Puzzle