{$mEDiAurl}
ACCorDing to thE proFEssor, why is loCAtion so importAnt to An AnimAl groupA．CErtAin spECiEs prEFEr to BE high up in trEEs.
B．EACh spECiEs nEEDs A limitED Amount oF spACE.
C．FooD AnD sAFEty ArE ClosEly rElAtED to whErE A group livEs.
D．somE groups will ForgEt to protECt thEir homEs.