In alligators, the upper jaw is wider than the lower jaw completely overlaps it. Therefore, the teeth in the lower jaw are almost completely hidden when the mouth closes. However, crocodiles have upper jaw and lower jaw are approximately the same width, and so teeth in the lower jaw fit along the margin of the upper jaw then the mouth is closed. Therefore, the upper teeth interlock with the lower teeth when the mouth shuts. In fact, crocodiles and alligators have more different things that are lingual salt glands, sense organs, color, lifespan, length and etc. It is really not once people look at the taxonomy. For example, snake and viper or spider and poisonous spider are look same so people confused about them. However, if people interest them, they will research between different things and then they can find different. Therefore, try to research crocodiles and alligators also get their
In alligators, the upper jaw is wider than the lower jaw completely overlaps it. Therefore, the teeth in the lower jaw are almost completely hidden when the mouth closes. However, crocodiles have upper jaw and lower jaw are approximately the same width, and so teeth in the lower jaw fit along the margin of the upper jaw then the mouth is closed. Therefore, the upper teeth interlock with the lower teeth when the mouth shuts. In fact, crocodiles and alligators have more different things that are lingual salt glands, sense organs, color, lifespan, length and etc. It is really not once people look at the taxonomy. For example, snake and viper or spider and poisonous spider are look same so people confused about them. However, if people interest them, they will research between different things and then they can find different. Therefore, try to research crocodiles and alligators also get their