Answer:
Peces, excretan amoniaco
aves, acido urico
mamiferos, Urea
Explanation:
Como son especies diferentes, cada una tiene un aparato excretor distinto, su ciclo biológico y su medio ambiente hacen que se presenten estas diferencias.
<span>An exercise session designed to promote weight loss should expend at least 250 calories as this is the lowest amount of calories that sufficiently constitute an appreciable quantity of fat and energy that the body has.</span>
because you opened your hand
