This printable word search puzzle on the topic of Ecology & Evolution contains 12 hidden words in a 17x17 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.
segmented worms
roundworms
protozoans
paramecium
jellyfish
earthworm
flatworms
starfish
sponge
amoeba
coral
leech