en عمومى General پژوهشي Research paper <p>F. Shakeri and M. Dehghan in [13] presented the variational iteration method for solving the model describing biological species living together. Here we suggest the differential transform (DT) method for finding the numerical solution of this problem. To this end, we give some preliminary results of the DT and by proving some theorems, we show that the DT method can be easily applied to mentioned problem. Finally several test problems are solved and compared with variational iteration method.</p> Biological species living together, Differential transform method, Volterra integro-differential equations, Variational iteration method. 63 74 http://ijmsi.ir/browse.php?a_code=A-10-1-118&slc_lang=en&sid=1 A. Tari 10031947532846002214 10031947532846002214 Yes