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प्रश्न
Is it true that there is more solar energy available in the tropics? Explain briefly.
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उत्तर
As one moves from the equator to the polar regions, the length of the day decreases and the length of the night increases. The length of day and night are the same at the equator.
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संबंधित प्रश्न
Give three hypotheses for explaining why tropics show greatest levels of species richness.
What is the significance of the slope of regression in a species-area relationship?
Short answer type question
Tropical regions exhibit species richness as compared to polar regions. Justify.
Extent of global diversity of invertebrates is shown in the pie diagram below. Choose the most appropriate alternative that the four portions (a-d) represent.
Which of the following hypothesis states: Rich species diversity leads to lesser variation in biomass production over a period of time.
Latitudinal and altitudinal gradient is shown by which of the following habitat(s)?
On a log scale the relationship of species richness and area becomes linear (straight line) and is given by the equation.
Select the correct alternative for x and y.
Which of these is true about tropical environments?
Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?
The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.
Study the graph given below:
As per Alexander von Humboldt, what do the symbols S, A, Z and C in the graph stand for, in respect of a species and area relationship?
Distribution of diversity on earth shows that biodiversity from higher latitudes to lower latitudes ______.
For frugivorous (fruit-eating) birds and mammals in the tropical forests of different continents, the slope of the species-area relationship is found to be approximately ______.
Who observed that within a region, species richness increased with increasing explored area, to a certain limit?
Tropical regions show greatest level of species richness because -
- Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
- Tropical environments are more seasonal.
- More solar energy is available in tropics.
- Constant environments promote niche specialization.
- Tropical environments are constant and predictable.
Choose the correct answer form the options given below:
The latitudinal gradient describes a pattern where species richness is highest in which geographic region?
Which of the following statements correctly describes the relationship between latitude and biodiversity?
