This printable crossword puzzle has 13 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax.
the ecosystem comprising the entire earth and the living organisms that inhabit it
A climax community is the final stage of succession, remaining relatively unchanged until destroyed by an event such as fire or human interference
an assemblage of interacting populations occupying a given area
the progressive replacement of one community by another until a climax community is established.
the natural environment of an organism; place that is natural for the life and growth of an organism
The biological levels of organization of living things arranged from the simplest to most complex
composed of a fungus in symbiotic union with an alga and having a greenish, gray, yellow, brown, or blackish thallus that grows in leaflike, crustlike, or branching forms on rocks, trees, etc.
a place or position suitable or appropriate for a person or thing
the first to colonize previously disrupted or damaged ecosystems
the assemblage of a specific type of organism living in a given area
, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil
follows a major disturbance like a flood or fire