This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Formed by the limestone skeletons of small animals?
the beginning of a river
a wetland with many trees
the end of a river
amount of dissolved salt in the water
most common wetlands
a wetland that has only fresh water
largest marine biome
a transition zone between a land biome and a water biome; is almost always wet
low places along the ocean shoreline exposed by low tides
describes water that is not constantly moving
another name for saltwater biomes