Long Answer Type
Short Answer TypeIdentify 'a' and 'b' in the figure given below representing proportionate number of major vertebrate taxa.
Explain Darwinian theory of evolution with the help of one suitable example. State the two key concept of the theory.
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
Industrialization led to darkening of the tree trunks due to deposition of smoke and soot and increase in pollution. The dark colored moths were not attacked by the predators as they camouflaged against the dark bark of the trees while the white coloured moths were picked out by the predators. The lichen population also decreased due to the increase in pollution.
Identify the examples of convergent evolution from the following:
(i) Flippers of penguins and dolphins
(ii) Eyes of octopus and mammals
(iii) Vertebrate brainsWith the help of any two suitable examples explain the effect of anthropogenic actions on organic evolution.
Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution?
Long Answer Type
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