This printable crossword puzzle has 25 clues. Answers range from 2 to 4 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
endangered
energy source
ecoligical balance
system
biosphere
harm
special
cross
common
interdependence
ingenious
lead to
food web
food chain
current situation
reach a level
desire
cause
habitat
key
finally
slow down
rescure
collapse
local