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Give three hypotheses for explaining why tropics show greatest
Biology
Biology

Class 12

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: Reproduction in Organisms

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2

Chapter 2: Sexual Reproduction in Flowering Plants

18 questions

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3

Chapter 3: Human Reproduction

21 questions

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4

Chapter 4: Reproductive Health

12 questions

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5

Chapter 5: Principles of Inheritance and Variation

16 questions

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6

Chapter 6: Molecular Basis of Inheritance

14 questions

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7

Chapter 7: Evolution

10 questions

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8

Chapter 8: Human Health and Disease

17 questions

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9

Chapter 9: Strategies for Enhancement in Food Production

12 questions

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10

Chapter 10: Microbes in Human Welfare

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11

Chapter 11: Biotechnology: Principles and Processes

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12

Chapter 12: Biotechnology and its Applications

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13

Chapter 13: Organisms and Populations

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14

Chapter 14: Ecosystem

13 questions

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15

Chapter 15: Biodiversity and Conservation

10 questions

Q1
How do ecologists estimate the total number of species present in the world?
Q2
Give three hypotheses for explaining why tropics show greatest levels of species richness.
Q3
What is the significance of the slope of regression in a species-area relationship?
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16

Chapter 16: Environmental Issues

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Give three hypotheses for explaining why tropics show greatest levels of species richness.

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There are three different hypothesis given by scientist for explaining to show the greatest level of species richness.
1) The tropical region has less seasonal variations, and almost constant temperature promotes the specialization, thus, high species richness.
2) In the tropical region, more availability of solar energy. This promotes the niche specialization and thus, high species richness.
3) Temperate regions were subjected to glaciations during the ice age, while tropical regions remained undisturbed which led to an increase in the species diversity in this region.
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Question Text
Give three hypotheses for explaining why tropics show greatest levels of species richness.
TopicBiodiversity and Conservation
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes49