This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A gradual process of change and replacement of some or all of the species in a community
The type of succession that occurs on a surface where no ecosystem existed before, such as on rocks or sand dunes
The more common type of succession, occurs on a surface where an ecosystem has previously existed
The first organisms to colonize any newly available area and begin the process of ecological succession
A final and stable community
Can release their seeds only after they have been exposed to the intense heat of a fire
One type of plant that colonizes land after the land has been burned by fire
Occurs when farmland is abandoned
Grow rapidly and produce many seeds to cover large areas
A producer that is actually composed of two different species, a fungus and an algae