The flippers of penguins and dolphins are examples of convergent evolution, where different species independently evolve similar traits as a result of having to adapt to similar environments.
Thus, the correct answer is (3) Convergent evolution.
List-I (Types of adaptation) | List-II (Examples) | ||
1 | Biochemical adaptation | p | Desert lizards |
2 | Behavioural adaptation | q | Deep sea fishes |
3 | Physiological adaptation | r | Opuntia |
4 | Morphological adaptation | s | Kangaroo rats |
The velocity (v) - time (t) plot of the motion of a body is shown below :
The acceleration (a) - time(t) graph that best suits this motion is :
List-I | List-II | ||
(A) | ![]() | (I) | ![]() |
(B) | ![]() | (II) | CrO3 |
(C) | ![]() | (III) | KMnO4/KOH, \(\Delta\) |
(D) | ![]() | (IV) | (i) O3 (ii) Zn-H2O |