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The relation between species richness and area for a wide vari
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

48 questions

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2

Chapter 2: Sexual Reproduction in Flowering Plants

52 questions

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3

Chapter 3: Human Reproduction

48 questions

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4

Chapter 4: Reproductive Health

37 questions

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5

Chapter 5: Principles of Inheritance and Variation

52 questions

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6

Chapter 6: Molecular Basis of Inheritance

71 questions

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7

Chapter 7: Evolution

52 questions

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8

Chapter 8: Human Health and Disease

70 questions

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9

Chapter 9: Strategies for Enhancement in Food Production

77 questions

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10

Chapter 10: Microbes in Human Welfare

59 questions

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11

Chapter 11: Biotechnology: Principles and Processes

48 questions

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12

Chapter 12: Biotechnology and its Applications

52 questions

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13

Chapter 13: Organisms and Populations

70 questions

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14

Chapter 14: Ecosystem

68 questions

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15

Chapter 15: Biodiversity and Conservation

61 questions

Q1
Explain briefly the ‘rivet popper hypothesis’ of Paul Ehrlich.
Q2
The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.
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16

Chapter 16: Environmental Issues

52 questions

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The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.

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According to AV Humboldt, a German scientist within, a region, species richness increased with increasing explored area (only upto a limit). Accordingly the relation between species richness and area for a wide variety of taxa (birds, bat, angiosperms, aquatic fishes) turns out to be a rectangular hyperbola.
The relationship depicts a straight line on a logrithimic scale described by the following equation
log S = log C + Z log A
Where, ‘S’ stands for species richness, ‘A’ is area and ‘Z’ and ‘C’ are slope of line (regression coefficient) and y intercept respectively.
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Question Text
The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.
TopicBiodiversity and Conservation
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes112