This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 9 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The relationship between 2 living organisms
One species benefits, the other is harmed
the process of change in the species structure of an ecological community over time
one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
the series of community changes which take place on a previously colonized, but disturbed or damaged habitat
the number of people, other living organisms, or crops that a region can support without environmental degradation
to leave one's country to live in another
to come into another country to live permanently
the cultivation of a single crop in a given area.
a resource which can be used repeatedly and replaced naturally
A resource that does not renew itself at a sufficient rate for sustainable economic extraction in meaningful human time-frames. An example is carbon-based, organically-derived fuel
the variety of life in the world or in a particular habitat or ecosystem