A Biologist Discovers the Carcass of an Animal That Was

Multiple Choice

A biologist discovers the carcass of an animal that was recently partially eaten by a predator in the jungle.The animal's heart was large,well-formed,and had four chambers,with no connection between the right and left sides.A reasonable conclusion supported by these observations is that the

A) animal had evolved from birds.
B) animal was endothermic and had a high metabolic rate.
C) animal was most closely related to alligators and crocodiles.
D) animal was likely an invertebrate animal.
E) species had little to no need to regulate blood pressure.