Hydrarch succession : progresses from hydric to mesic conditions :: Xerarch succession: ___________
A
progresses from xeric to mesic conditions
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B
progresses from mesic to xeric conditions
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C
progresses from xeric to hydric conditions
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D
progresses from hydric to xeric conditions
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Solution
The correct option is A progresses from xeric to mesic conditions Ecological succession is a steady, gradual change in the composition and structure of biotic communities of an area.
It is predictable, sequential and occurs in accordance with the changing physical environment i.e., the abiotic components such as duration of sunlight, water, soil, etc.
The ultimate purpose of ecological succession is to form an established climax community which is in near equilibrium with the environment.
Based on the nature of the habitat, succession of plants is of two types:
Hydrarch succession - It takes place in wet (hydric) areas and progresses towards mesic conditions (medium water conditions).
Xerarch succession - It takes place in dry (xeric) areas and progresses towards mesic conditions.
Hydrarch succession : progresses from hydric to mesic conditions :: Xerarch succession : progresses from xeric to mesic conditions