rhydra
20-10-2009, 07:59 PM
A reptile is a creature that is exothermic, that means it depends on it's surroundings to raise it's body temperature. They lay eggs instead of giving birth to live young.
The naked mole rat is a mammal, it is also exothermic (cold blooded as opposed to endothermic which is warm blooded). The platypus is a mammal, the survivor of a larger variety of species, it lays eggs.
Birds are warm blooded but lay eggs, they are neither mammals or reptiles. Boas give birth to live young, they are not mammals. Mammals are the descendants of therapsids, (creation museum fans will obviously disagree!) one of a number of reptile species one which developed into reptiles, another into dinosaurs, another into birds. In effect we are all humanoid reptilians.
All mammals, including humans could be seen as being warm blooded reptiles.
The naked mole rat is a mammal, it is also exothermic (cold blooded as opposed to endothermic which is warm blooded). The platypus is a mammal, the survivor of a larger variety of species, it lays eggs.
Birds are warm blooded but lay eggs, they are neither mammals or reptiles. Boas give birth to live young, they are not mammals. Mammals are the descendants of therapsids, (creation museum fans will obviously disagree!) one of a number of reptile species one which developed into reptiles, another into dinosaurs, another into birds. In effect we are all humanoid reptilians.
All mammals, including humans could be seen as being warm blooded reptiles.