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प्रश्न
Which of the following countries has the highest biodiversity?
पर्याय
South America
South Africa
Russia
India
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उत्तर
South America
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संबंधित प्रश्न
The following graph shows the species-area relationship. Answer the following questions as directed.
(a) Name the naturalist who studied the kind of relationship shown in the graph. Write the observations made by him.
(b) Write the situations as discovered by the ecologists when the value of ‘Z’
(Slope of the line) lies between:
- 0.1 and 0.2
- 0.6 and 1.2
What does ‘Z’ stand for?
(c) When would the slope of the line ‘b’ become steeper?
Give three hypotheses for explaining why tropics show greatest levels of species richness.
Observe the graph and select the correct option:
The 'rivet' in the rivet popper hypothesis is considered to represent the ______.
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.
On a log scale the relationship of species richness and area becomes linear (straight line) and is given by the equation.
Species richness - area relationship is given by ______.
Which of these is true about tropical environments?
Which of these is true about tropical environments?
The pattern of biodiversity is affected by ______.
Amongst the animal groups given below, which one appears to be more vulnerable to extinction?
Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?
Lesser variation in biomass production over a period of time is called ______.
The species-area relationship is represented on a log scale as ______.
Distribution of diversity on earth shows that biodiversity from higher latitudes to lower latitudes ______.
The relation between species richness and area for a wide variety of taxa appears as ______.
Which of the following hypothesis suggests that ecosystems are like aeroplanes where flight safety (ecosystem functioning) may or may not be compromised, depending upon which species are being lost?
Rivet Popper Hypothesis is an analogy to explain the significance of ______.
