This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the study of where organisms live
permanently frozen ground
the clearing of forest and trees
the whole region from which a river receives its supply of water
layer under the canopy
a grassland close to the equator
between the highest high-tide and lowest low-tide line
a tree that sheds its leaves and grows new ones each year
shallow ocean water over the continental shelf
an area populated mostly by grass
weather patterns over a long period of time
the very slow movement of the continents
an organism that is carried into a new location by people
ecosystem that contains salt water
colder climate region