Multiple choice Ecological equivalents are taxonomically different organisms, which occupy various ecological niches performing various functions in various geographical regions the same ecological niches performing various functions in the similar geographical regions various ecological niches performing the same functions in similar geographical regions the same ecological niches performing various functions in various geographical regions Reveal answer Fill a bubble to check yourself D Correct answer Explanation Ecological equivalents are taxonomically different organisms which occupy same ecological niches performing various functions in various geographical regions. For e.g. in Galapagos island flightless cormorants.