Plant Succession
Plant Succession: Overview
This Topic covers sub-topics such as Ecological Succession, Primary Succession, Secondary Succession, Xerarch Succession, Autogenic Succession, Hydrarch Succession, Allogenic Succession, Mesarch, Autotrophic Succession and, Heterotrophic Succession
Important Questions on Plant Succession
Which of the following plants exhibit mesarch xylem?
_____ (Pteridophytes/Halophytes) exhibit mesarch xylem.
The protoxylem develops first in the primary xylem in the center of the strand in mesarch type of arrangement of xylem.
Heterotrophic succession causes decrease in energy flow in the ecosystem.
Which of the following succession takes place where organisms like bacteria and fungi are more in number than plants.
Heterotrophic succession begins in an _____ (inorganic/organic) environment.
Heterotrophic succession begins in an inorganic environment.
Autotrophic succession causes increase in energy flow in the ecosystem.
Which of the following succession takes place where green plants are more in number than animals?
Autotrophic succession begins in an _____ (inorganic/organic) environment.
Autotrophic succession begins in an inorganic environment.
Allogenic succession is driven by _____ (abiotic/biotic) components of the ecosystem.
In which of the following succession, changes are caused by exogenous factors?
_____ (Allogenic/Autogenic) succession is carried out by abiotic components of the ecosystem.
Allogenic succession is driven by abiotic components of the ecosystem.
In autogenic succession changes are caused by endogenous factors.
Name the pioneer community in lithosere. (Blue-green algae/Lichen/ Fungi)
