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Question
Is it true that there is more solar energy available in the tropics? Explain briefly.
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Solution
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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RELATED QUESTIONS
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?
What is the significance of the slope of regression in a species-area relationship?
Which of the following hypothesis states: Rich species diversity leads to lesser variation in biomass production over a period of time.
Maximum species richness is observed in the ______.
With reference to graph select the correct alternative
The graph of species richness and area for a number of taxa like angiospermic plants, freshwater fishes, and birds is found to be ______.
Select the correct alternative for x and y.
Oxygen dissociation curve for Myoglobin has the following shape:
Which of the below mentioned regions exhibit lees seasonal variations?
Which of these is true about tropical environments?
Which one of the following is not a major characteristic feature of biodiversity hot spots?
What does the term ‘Frugivorous’ mean?
A species-area curve is drawn by plotting the number of species against the area. How is it that when a very large area is considered the slope is steeper than that for smaller areas?
There is greater biodiversity in tropical /subtropical regions than in temperate region. Explain.
Given below is an equation describing the Species-Area relationship between species richness and area for a wide variety of taxa as angiosperm plants, birds, bats etc. S = CAz
- Give a graphical representation of the given equation showing Species-Area relationship.
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Write the inference drawn by Alexander von Humboldt after his extensive explorations of South American jungle.
Match the scientist in column I with their contribution in column II and choose the correct option.
| Column I | Column II | ||
| i. | Alexander Van Humboldt | a. | Estimated 7 million species round the globe |
| ii. | Robert May | b. | Rivet popper hypothesis |
| iii. | David Tillman | c. | Species Area Relationship |
| iv. | Paul Ehrlich | d. | Productivity stability hypothesis |
