Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Eduncle Best Answer
They proposed that the numbers of species on any island reflects a balance between the rate at which new species colonize it and the rate at which the populations of established species become extinct. The model is one of a dynamic equilibrium between immigration of new species onto islands and the extinction of species previously established