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"Sweet potato tubers and potato tubers are the result of convergent evolution." Justify the statement
|
|
1
|
3633
|
December 22, 2016
|
|
Branching descent and natural selection are the two key concepts of Darwinian Theory of Evolution
|
|
1
|
12033
|
August 30, 2016
|
|
Fitness is the end result of the ability to adapt and get selected by Nature.Explain with suitable example
|
|
0
|
3039
|
August 30, 2016
|
|
How does industrial melanism support Darwin's theory of Natural Selection? Explain
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|
0
|
2759
|
August 30, 2016
|
|
State Hardy- weinberg principle. Name any two factors which affect it
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|
1
|
1977
|
August 30, 2016
|
|
Explain the increase in the numbers of melanic moths in the urban areas of post-industrialization period in England
|
|
0
|
2992
|
August 30, 2016
|
|
Describe the three different ways by which Natural selection can affect the frequency of a heritable traits in population
|
|
0
|
3699
|
August 30, 2016
|
|
Write the technical term that describes each one of the following statements with reference to their evolution :
|
|
1
|
1441
|
August 30, 2016
|
|
Study the ladder of human evolution given above and aswer the following questions
|
|
1
|
797
|
August 30, 2016
|
|
List the two characteristics of mutation that help in explaining evolution
|
|
0
|
1900
|
August 30, 2016
|
|
State the significance of coelacanth in evolution
|
|
0
|
3143
|
August 30, 2016
|
|
Name the common ancestor or the great apes and man
|
|
0
|
3518
|
August 30, 2016
|
|
Explain convergent and deivergent evolution with the help of one example of each
|
|
0
|
1817
|
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?
|
|
0
|
1990
|
August 30, 2016
|
|
With the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution
|
|
0
|
3503
|
August 30, 2016
|
|
Explain adaptive radiation with the help of a suitable example
|
|
1
|
1460
|
August 30, 2016
|
|
Divergent evolution leads to homologous structures.Explain with the help of an example
|
|
0
|
2065
|
August 30, 2016
|
|
How do Darwin's finches illustrate adaptive radiation?
|
|
0
|
3319
|
August 30, 2016
|
|
What does the comparison between the eyes of octopus and those of mammals say about their ancestry and evolution?
|
|
0
|
2344
|
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
|
3554
|
August 30, 2016
|
|
Mention the contribution of S.L.Miller's experiments on Origin of Life
|
|
0
|
2610
|
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
|
1463
|
August 30, 2016
|
|
Identify the following pairs as Homologous or Analogous organs :
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|
1
|
1468
|
August 30, 2016
|
|
Name the scientist who disapproved spontaneous generation theory
|
|
0
|
918
|
August 30, 2016
|
|
Comment on the similarity between the wings of a cockroach and the wings of a bird
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|
1
|
1232
|
August 30, 2016
|
|
State the significance of biochemical similarity amongst diverse organisms in evolution
|
|
0
|
1358
|
August 30, 2016
|
|
State the significance of the study of fossils in evolution
|
|
0
|
2992
|
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
|
1207
|
August 30, 2016
|
|
Identify the examples of convergent evolution from the following :
|
|
1
|
1215
|
August 30, 2016
|
|
Why are analogous structures, a result of convergent evolution?
|
|
0
|
2291
|
August 30, 2016
|