Q. Select the correct statement from the following : Mutations are random and directionless. Darwinian variations are small and directionless. Fitness is the end result of the ability to adapt…
Q. In the development history of mammalian heart, it is observed that it passes through a two chambered fish like heart , three chambered fish like heart and finally four…
Q. Darwin's finches are an excellent example of : (a) Brood parasitism (b) Connecting links (c) Adaptive radiation (d) Seasonal migration Solution : Correct option : C Divergent evolution also…
Q. Dinosaurs became extinct in which the following periods ? (a) Permian (b) Jurassic (c) Cretaceous (d) Triassic Solution : Correct option : C Dinosaurs went extinct about 65 million…