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In rivet popper hypothesis of Paul Ehrlich, the rivets on the wings represent which of the following types of species in an ecosystem?
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Important Questions on Biodiversity and Conservation
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In a comparative analogy between the aeroplane and ecosystem the Rivet Popper hypothesis used by Stanford ecologist Paul Ehrlich's, identify the correct matching?
| Column I | Column II | ||
| i) | Rivets | a) | Ecosystem |
| ii) | Aeroplane | b) | Species |
| iii) | Popping of a rivet | c) | Key species |
| iv) | Rivets on the wings | d) | Proper functioning of ecosystem |
| v) | Flight safety | e) | A species to become extinct |
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The correct equation depicting species area relationship is:
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Statement I: Amazon rain forest is called the lungs of our planet.
Statement II: The number of species per unit area is called species richness.
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Which of the following is the most important cause for animals and plants being driven to extinction?
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Which one of the following statements is a general feature of global species diversity
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'Key species' is a:
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Identify the incorrect statement
Speciation is generally a function of time
Tropical environment is less seasonal, relatively more constant and predictable
Solar energy contributes to high productivity
Temperate regions have remained relatively undisturbed for millions of years.
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Which one of the following class of animals constitutes the largest biomass on earth?
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Match for and with the species-area relationship shown in the graphic representation below and choose the correct option.
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The exponent of the species-area curve measured at continental scales is
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A graph of species richness vs area on log-log axis is:
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Which of the following regions of the globe exhibits the highest species diversity?
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The red list contains data or information on
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The regression co-efficient for frugivorous birds in tropical forests of different continents is
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Which of the following is correctly matched?
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Which of the following is the most important cause for animals and plants being driven to extinction?
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Biological diversity increases with the productivity of an ecosystem. In which of the following habitats do we see the greatest diversity of species?
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An ecologist samples trees in multiple forest plots to determine species richness. Which ONE of the following can help determine the adequacy of sampling effort?
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According to Alexander von Humboldt:
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Alexander Von Humboldt described for the first time:
