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Ecological Succession

Across
A simple slow growing plant that typically forms a low crustlike ,leaflike,or branching growth on rocks , walls , and trees
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
A habitat that is of small or limited extent and which differs in character from some surrounding more extensive habitat
The process of change in the species structure of an ecological community over time
Hardy species which are the first to colonize previously disrupted or damaged ecosystems beginning a chain of ecological succession that ultimately leads to a more biodiverse steady state ecosystem
Down
A process started by an event that reduces an already established ecosystem to a smaller population of species
Ecological community in which populations of plants or animals remain stable and exist in balance with each other and their environment. A climax community is the final stage of succession, remaining relatively unchanged until destroyed by an event such as fire or human interference
The disruption of healthy functioning