This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 3 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
An area of land where the surface water and groundwater drain into a particular body of water separated from each other by drainage divides.
Water from precipitation that drains into a gully that flows into a stream, which in turn flows into a river, lake, reservoir, estuary, wetland, or the ocean.
Water that collects in cracks and pores in underground soil and rock layers.
Small rivers, creeks and streams that eventually lead to larger rivers.
Large natural stream of water flowing into a larger body of water like a lake, another stream or ocean.
the part of a river that meets a sea
A mix of freshwater and saltwater in estuaries where a river enters the ocean
A coastal wetland that contains trees with twisted roots that grow in brackish water
a place where brackish water from estuary meets sea side forest
wetland that has many large bushes and trees
a low-lying wetland with lots of grasses
a wet, spongy ground with a lot of decaying plants