This printable crossword puzzle on the topic of Ecology & Evolution has 11 clues. Answers range from 3 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a low area where the land is saturated with water
water mixed with waste matter
infuse or fill completely
organisms interacting with their physical environment
cold-blooded vertebrate living on land but breeding in water
water that is not salty
the act of cleaning by getting rid of impurities
careful management of the environment and natural resources
wet spongy ground of decomposing vegetation
low-lying wet land with grassy vegetation
low land that is seasonally flooded