Because they do different jobs. The ones in the front nip or slice, the ones at the back crush and grind. The teeth of different animals are also different, herbivores have teeth that MASH up grass, carnivores have teeth that shear though meet and scavengers have teeth that can crush bones.
A predator's teeth are shaped differently, depending on their purpose. Like a bears teeth are big and sharp, perfect for crushing bones. While a canine's teeth are smaller, sharper and perfect for slicing through the meat and skin of an animal.
There are many differences between cats and humans. Cats have pupils that are shaped differently than humans, which allows them to see in the dark. They also have tails for balance, and sharp teeth to catch and eat food.
Um...rats are generally shaped kind of differently from humans.
The human deltoid muscle is much larger than a pig. The pig deltoid is also shaped differently because they walk on four feet.
u shaped valley..
The fact that our feet are now shaped differently than our hands is beneficial due to the fact that we evolved to walk upright. Our feet now support our weight far better than if they were still shaped like hands as our weight is more evenly distributed for bipedal motion.
Sharp, cone-shaped teeth.
They are shaped like a dogs teeth and so they are called canine teeth
the difference between a whale and a dolphin is a dolphin's dorsal fin is halfway along its back, and a whale's dorsal fin is two-thirds the way along its back. the difference between a dolphin and a porpoise is that they have differently shaped teeth. the difference between a whale and a dolphin is a dolphin's dorsal fin is halfway along its back, and a whale's dorsal fin is two-thirds the way along its back. the difference between a dolphin and a porpoise is that they have differently shaped teeth.
There are 32 teeth in an adult human.
No, nobody is perfect.
Canine teeth.