28.In the logistic population growth model with positive intrinsic growth rate r and carrying capacity K, which of the following statements is correct:
(A) Population growth rate is maximized when the population size equals K.
(B) Maximum sustainable yield (MSY) occurs when population size is near K.
(C) Populations sizes above K will experience negative growth rates.
(D) Population growth rate is r when the population size equals K/2.

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