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"Sweet potato tubers and potato tubers are the result of convergent evolution." Justify the statement
|
|
1
|
3645
|
December 22, 2016
|
|
Branching descent and natural selection are the two key concepts of Darwinian Theory of Evolution
|
|
1
|
12047
|
August 30, 2016
|
|
Fitness is the end result of the ability to adapt and get selected by Nature.Explain with suitable example
|
|
0
|
3046
|
August 30, 2016
|
|
How does industrial melanism support Darwin's theory of Natural Selection? Explain
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|
0
|
2769
|
August 30, 2016
|
|
State Hardy- weinberg principle. Name any two factors which affect it
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|
1
|
1982
|
August 30, 2016
|
|
Explain the increase in the numbers of melanic moths in the urban areas of post-industrialization period in England
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|
0
|
3000
|
August 30, 2016
|
|
Describe the three different ways by which Natural selection can affect the frequency of a heritable traits in population
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|
0
|
3706
|
August 30, 2016
|
|
Write the technical term that describes each one of the following statements with reference to their evolution :
|
|
1
|
1444
|
August 30, 2016
|
|
Study the ladder of human evolution given above and aswer the following questions
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|
1
|
804
|
August 30, 2016
|
|
List the two characteristics of mutation that help in explaining evolution
|
|
0
|
1904
|
August 30, 2016
|
|
State the significance of coelacanth in evolution
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|
0
|
3145
|
August 30, 2016
|
|
Name the common ancestor or the great apes and man
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|
0
|
3522
|
August 30, 2016
|
|
Explain convergent and deivergent evolution with the help of one example of each
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|
0
|
1824
|
August 30, 2016
|
|
Write about the ancestry and evolution of bat, horse and human on the basis of a comparative study of their forelimbs.What are these limbs categorized as?
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|
0
|
2006
|
August 30, 2016
|
|
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution
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|
0
|
3508
|
August 30, 2016
|
|
Explain adaptive radiation with the help of a suitable example
|
|
1
|
1467
|
August 30, 2016
|
|
Divergent evolution leads to homologous structures.Explain with the help of an example
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|
0
|
2073
|
August 30, 2016
|
|
How do Darwin's finches illustrate adaptive radiation?
|
|
0
|
3332
|
August 30, 2016
|
|
What does the comparison between the eyes of octopus and those of mammals say about their ancestry and evolution?
|
|
0
|
2348
|
August 30, 2016
|
|
Write the Oparin and Haldane's hypothesis about the origin of life on earth. How does meteroite analysis favour this hypothesis?
|
|
0
|
3564
|
August 30, 2016
|
|
Mention the contribution of S.L.Miller's experiments on Origin of Life
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|
0
|
2618
|
August 30, 2016
|
|
Name the scientist who had used the set-up shown below.Write the purpose of 'a' in the set-up and the conclusion the scientist arrived at
|
|
1
|
1470
|
August 30, 2016
|
|
Identify the following pairs as Homologous or Analogous organs :
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|
1
|
1472
|
August 30, 2016
|
|
Name the scientist who disapproved spontaneous generation theory
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|
0
|
924
|
August 30, 2016
|
|
Comment on the similarity between the wings of a cockroach and the wings of a bird
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|
1
|
1237
|
August 30, 2016
|
|
State the significance of biochemical similarity amongst diverse organisms in evolution
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|
0
|
1362
|
August 30, 2016
|
|
State the significance of the study of fossils in evolution
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|
0
|
2996
|
August 30, 2016
|
|
Write th similarity between the wing of a butterfly and the wing of a bat.What do you infer from the above with reference to evolution?
|
|
0
|
1212
|
August 30, 2016
|
|
Identify the examples of convergent evolution from the following :
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|
1
|
1218
|
August 30, 2016
|
|
Why are analogous structures, a result of convergent evolution?
|
|
0
|
2296
|
August 30, 2016
|