This printable word search puzzle on the topic of Ecology & Evolution contains 15 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
carbon dioxide
precipitation
transpiration
soil nitrates
condensation
animal waste
groundwater
evaporation
respriation
volcanoes
animals
runoff
shells
plants
oxygen