Question
Which of following is NOT characteristics of all fish?
a.gills as respiratory organs
b.two-chambered heart
c.swim bladder for buoyancy organ
d.skin with scales
e.presence of jaws
a.gills as respiratory organs
b.two-chambered heart
c.swim bladder for buoyancy organ
d.skin with scales
e.presence of jaws
Answers
Whitney
True or False The air flow in the respiratory system of birds is similar to that of mammals.
leah
whats the answer