Evolution Word Search Puzzle Game – Search the History of Species. Word Search Puzzle Solver. Track the changes in life over time with the Evolution Word Search Puzzle. This challenge invites you to find and search for terms related to natural selection and adaptation. Look for hidden words like Lineage, Fossil, Fitness, and Hominid within the grid. This game provides an educational look at the tree of life and the mechanisms that drive biological diversity. It is a historically and scientifically rich search for the connections between all living things on Earth!. This includes identifying and searching for words that are related to : bird, fish, adapt, drift, class, order, genus, family, mammal, fossil, domain, reptile, primate, kingdom, fitness .