Under what scenario might you expect to see both pioneer and climax stage of succession in one system? Group of answer choices That is not possible; you can only have either stage, not both at the same time When the changes in plant community due to the various succession stages also altered the composition of bird communities A hurricane knocked down a tree within an old-growth forest, opening a gap in the forest for pioneer species to colonize A wildfire wiped out the entire forest, resulting in the development of a new community of plants
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The pioneer stage refers to the initial colonization of an area by species that can thrive in harsh conditions, while the climax stage represents a stable and mature community that has reached equilibrium. Show more…
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Lijeesh K.
The processes of disturbance and succession often interact with each other – which of the following statements is most accurate? Succession gives rise to a sequence of species in a habitat and may result in a number of different steady-state or climax communities. Disturbance always has a negative effect on a species in a particular habitat. Disturbance 'resets' succession to an earlier stage promoting greater biodiversity. An intermediate level of disturbance will result in a maximum level of biodiversity in any habitat.
Rupsa S.
The succession model proposed that succession occurs in distinct stages, with each stage becoming more suitable for later successional species. The initial species do not inhibit or aid later successional species, and competition does not occur between early and late successional species. Which of the following is NOT TRUE regarding changes occurring during succession? Both primary and secondary succession are associated with changes in environmental conditions. Plant colonization in terrestrial ecosystems alters the physical environment, primarily changing light availability and soil conditions. Colonization by new species contributes to an increase in species richness within the community. The number of species within a community is usually greatest when the frequency of disturbances is low. 10) Net primary productivity decreases as mean annual rainfall decreases. 11) The ultimate source of carbon from which life is constructed is derived from atmospheric carbon dioxide. 12) Net photosynthesis is equal to photosynthesis minus respiration. 13) The biosphere is the thin layer surrounding the Earth that supports all life. 14) The location of specific biomes can be predicted based on precipitation and temperature.
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