Animals need nutrients to live. That's why animals eat food and drink water.

Depending on what they eat, animals can be carnivores, herbivores or omnivores. Each type has different teeth:

CARNIVORES

They eat other animals. They have got sharp, pointed teeth to hunt and kill the animals, and to tear the meat.


Carnivores - Sharp Teeth.jpg
SOME DINOSAURS WERE CARNIVORES SO THEY HAD SHARP TEETH

Click on the image to see a 360º carnivore (cheetah) skull.


Carnivore Skull.jpg

HERBIVORES

They eat plants. They have got flat front teeth to cut plants, and flat back teeth (molars) to grind and chew those plants.


Herbivore - Flat Teeth.jpg
SHEEPS HAVE FLAT TEETH

Click on the image to see a 360º herbivore (giraffe) skull.


Herbivore Skull.jpg

OMNIVORES

They eat animals and plants. They have got flat and sharp, pointed teeth.


Gorilla - Omnivorous.jpg
GORILLAS HAVE SHARP AND FLAT TEETH

Click on the image to see a 360º omnivore (raccoon) skull.


Omnivore Skull.jpg


But, do all animals have teeth? The answer is NO, of course.


MAMMALS

Mammals can be carnivores, herbivores or omnivores, so they can have sharp teeth, flat teeth, or both.

Mammals Teeth.jpg
HUMANS ARE OMNIVORES

FISH AND REPTILES

Some fish and reptiles have teeth to hunt and eat other animals.


Fish and Reptile Teeth.jpg

BIRDS

Birds don't have teeth, they have beaks instead.


Bird Teeth.jpg

AMPHIBIANS

Amphibians don't have teeth. They swallow their food.


Amphibian Teeth.jpg
AMPHIBIANS DON'T HAVE TEETH

INVERTEBRATES

Invertebrates don't have teeth, but they have found different solutions:

  • Butterflies use a tiny, long tube to drink nectar from flowers.

  • Beetles have strong jaws to cut plats.



Let's review all this information with a couple of videos.

On the first video, you could see why animals have different teeth.




On the second video, you could see how butterflies can drink nectar.





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