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Community Ecology, Chapter 3.1

Name___________________________________
Date____________________________________
Horizontales
(2words) Primary succession occurs on areas of this or bare sand—no soil
(2 words) a wolf’s ____ ____ enables it to survive in harsh winter climates.
Some species of a community might die or become extinct if this happens to soil.
Communities progress until there is little change in the ________ of species.
A group of interacting populations that occupy the same area at the same time.
(2 words) Any abiotic or biotic factor that restricts the numbers, reproduction, or distribution of organisms is called this.
(2 words) The stable, mature community that results when there is little change in the composition of a species.
Change in an ecosystem that happens when one community replaces another as a result of changing abiotic and biotic factors.
These have a range of tolerance for each limiting factor that they encounter.
Verticales
Secondary succession occurs as a result of a _____ In a climax community.
Limiting factors restrict the growth of a ________ within a community.
(2 words) The establishment of a community in an area of exposed rock that does not have any topsoil.
(2 words) The orderly and predictable change that takes place after a community of organisms has been removed but the soil remained intact.
Organisms __________ to the conditions in which they live.
Depend on one another for survival.
(2words) These help to create soil by secreting acids that help break down rocks.
The ability of any organism to survive when subjected to abiotic factors or biotic factors
Example of an abiotic factor.