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.
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.
Two examples that explain the effect of anthropogenic actions on organic evolutions are:
(i) Industrial melanism: It was due to the industrialization. The smoke and soot coming out of industries caused the bark of the trees to become darker and so dark-coloured moths were selected over the white-coloured moths.
(ii) Excessive use of herbicides and pesticides has resulted in selection of resistant varieties in very short time span.
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
Switch
