48. The equation of a population growth with limited resource is G= rN(K-N)/K, in which G stands for thegrowth rate of a population, r is the per capita rate of increase, N is the population size at a particular time,and K is the carrying capacity, or the maximum population size. If the term (K-N)/K=1, the model of thispopulation growth is called ____.
(A) logistic model
(B) lognormal model
(C)intrinsic model
(D) exponential model
(E) limited model