This printable word search puzzle on the topic of Ecology & Evolution contains 12 hidden words in a 17x17 letter grid. Words go horizontally and vertically. This word search is also available to download as a Microsoft Word document or a PDF.
hellgrammite
backswimmer
caddisfly
blackfly
crayfish
benthic
boatmen
beetle
larva
leech
nymph
snail