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What do an animals’ teeth tell us about its diet? Moira Whitehouse PhD

TEETH... tell all. (teach)

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Short presentation about teeth and what they tell us about their owners.

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Page 1: TEETH... tell all.  (teach)

What do an animals’ teeth tell us about

its diet?

Moira Whitehouse PhD

Page 2: TEETH... tell all.  (teach)

This is a fish skull. Would this fish likely have been a herbivore or carnivore?

Why?

1.

Page 3: TEETH... tell all.  (teach)

This is a skull of a barracuda. If you had chosen carnivorous fish, you would be correct.

This is a reasonable choice because of the sharp pointed teeth that the fish would use for seizing its prey and tearing it apart.

1.

Page 4: TEETH... tell all.  (teach)

Would this be a skull of a herbivore or carnivore?

Look at the back teeth.

2.

Page 5: TEETH... tell all.  (teach)

This is a llama skull. It is an herbivore. You can tell by the flat back molars used for grinding up tough plants.

2.

Page 6: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore? Why?

3.

Page 7: TEETH... tell all.  (teach)

This is a skull of a gila monster. Carnivore. Why, sharp pointed teeth.

Page 8: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 9: TEETH... tell all.  (teach)

This is a leopard skull. You can tell it is a carnivore by its long sharp canine teeth and jagged molars used for grinding bones

Page 10: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 11: TEETH... tell all.  (teach)

This is the skull of a prairie dog. You can tell that isthe skull of a rodent that gnaws because of its long Incisors and flat molars on the back for grinding plant material. So it is a herbivore.

Page 12: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 13: TEETH... tell all.  (teach)

This is a skull of a white-tailed deer—a herbivore. Notice the flat back molar teeth for grinding up tough grass and leaves.

Page 14: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 15: TEETH... tell all.  (teach)

This is the skull of a black bear. Black bears are omnivores. Notice the sharp canine teeth and the flatter back molars.

Page 16: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 17: TEETH... tell all.  (teach)

This is a coyote skull. Coyotes are carnivores. Notice the sharp canine teeth and the rough jagged back molars.

Page 18: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore?

Page 19: TEETH... tell all.  (teach)

This is the skull of a raccoon. Raccoons are omnivores. Notice the sharp canine teeth and the flatter back molars.

Page 20: TEETH... tell all.  (teach)

What about this one—herbivore, omnivore or carnivore? Look at those teeth. What kind of animal is this?

Page 21: TEETH... tell all.  (teach)

This is the skull of a snaked called an anaconda. Notice the backward slanting teeth that keep the victim from escaping while the snake swallows it whole. Snakes are carnivores.

Page 22: TEETH... tell all.  (teach)

This is the skull of a animal that became extinct about 15,000 years ago. Do you think it was an herbivore, carnivore or omnivore and why?

Page 23: TEETH... tell all.  (teach)

This was the skull of an extinct cave lion. It would have been a carnivore since like our present-day lions, it had long canine teeth for grabbing prey and ripping it apart and jagged molars for crushing bones.