A. Keystone species
B. Edge species
C. Critical link species
D. Edaphic pod species
Correct Answer: Critical link species ✔
Last Updated: May 23, 2024
Related MCQs
- The number of individuals of a species per sampling unit is called its:
- The number of sampling units expressed in percentage in which a particular species occurs is called its:
- The earliest settlers on barren lands generally are:
- When the vegetation of any region reaches climatic climax, it is:
- The herb stage in a lithosphere is immediately followed by plants like:
- The last community in a succession is called:
- Many forested regions of today were once barren rock areas. Mot likely this change involved the following sequence of stages:
- The herb stage in a lithosphere has predominance of plants like
- Plant succession taking place in sandy area is precisely called:
- The climax vegetation in a lithosere of temperate zone is dominated by plants like:
- If a piece of land which had a plant community becomes barren due to some external thrust, the succession taking place here is called:
- The physiographic factor responsible for the initiation of succession to:
- The invasion of a community in succession involves:
- The ecological succession was first studied by:
- The term succession was coined by:
- The invasion of a new community in a bare area is initiated by:
- When the substratum has ample of organic matter and there are many deterivore participating in the process, the succession is called:
- According to polyclimax hypothesis, the climax stage is controlled by:
- The ecological succession occurring as population 1 ? 2 ? 3 ? 4 indicates
- In a hydrosphere the plants like Carex, Cyperus, and Juncus appear just after a community comprising:
- Mark the correct sequence of events occurring during ecological succession:
- The direction of succession is:
- Mark the climatic cause for the initiation of succession:
- Due to modification of the environment by the plant community itself, when one community is replaced by another suitable community, the succession is called:
- The effect of individuals of the same species upon each other is called:
- The ultimate seral community appears in an area as a result of:
- When the process of succession sidetracks the advancement line, it is called:
- Mark the pioneer in a hydrosphere:
- In a hydrosere, the submered stage is followed by:
- The biotic factor not involved in the succession:
- The woodland stage in a hydrosphere has predominance of plants like:
- Which of the following is a piopcer in a lithosere?
- Primary succession refers to the development of communities on a:
- The nature of climax community ultimately depends upon:
- The sequence: blue green algae – crustose lichen – foliose lichen – mosses – shrubs – dicot trees represent
- Which of the following communities is more vulnerable to invasion by outside animals and plants?
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- Which of the following is not a primary coloniser?
- A succession exhibiting changes in the communities at a place is described as:
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- During ecological succession from pioneers to climax community the biomass of vegetation:
- Which one is called amphibious plant?
- The last stage of plant succession is:
- In an aqueous environment, the microscopic animals are collectively called:
- The primary succession refers to the development of communities on a:
- A place was rocky and barren but now there is a green forest; the sequence of origin is:
- Last stable community in succession dependent on climate is:
- Hydrosphere starts from: