1. What the fossil record shows
Ancient Animals:
What the fossil record shows

2. Fossils: A review What is a fossil?
Fossils are remains, impression, or trace of an ancient organism that under the right set of circumstances has been preserved in rock.

3. Fossils: A review What is a fossil?
Fossils are remains, impression, or trace of an ancient organism that under the right set of circumstances has been preserved in rock.
What information can a fossil give us?
Fossils can give us information about the anatomy of an ancient organism, in what geologic time it live, what it ate, how it lived and what other organism may have lived with it.

4. Fossils: A review What is a fossil?
Fossils are remains, impression, or trace of an ancient organism that under the right set of circumstances has been preserved in rock.
What information can a fossil give us?
Fossils can give us information about the anatomy of an ancient organism, in what geologic time it live, what it ate, how it lived and what other organism may have lived with it.
Is the fossil record complete?
NO, because only organisms that die under specific circumstances get fossilized and all fossils have not been found.

5. Pakicetus
55 million years ago

6. Pakicetus Describe this specimen.
55 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?

7. Pakicetus Describe this specimen.
55 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?
What modern day animal do you think it is related to?
What anatomical features support your hypotheses?

8. Ambulocetus
50 million years ago

9. Ambulocetus Describe this specimen.
50 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?

10. Ambulocetus Describe this specimen.
50 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?
What modern day animal do you think it is related to?
What anatomical features support your hypotheses?

11. Rhodocetus
40 million years ago

12. Rhodocetus Describe this specimen.
40 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?

13. Rhodocetus Describe this specimen.
40 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?
What modern day animal do you think it is related to?
What anatomical features support your hypotheses?

14. Basilosaurus
36 million years ago

15. Basilosaurus Describe this specimen.
36 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?

16. Basilosaurus Describe this specimen.
36 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?
What modern day animal do you think it is related to?
What anatomical features support your hypotheses?

17. Basilosaurus Describe this specimen.
36 million years ago
Describe this specimen.
Is this a terrestrial or marine animal?
What do you think it eats? How do you think it finds
its food?
What modern day animal do you think it is related to?
What anatomical features support your hypotheses?

18. Mysticeti
Modern day

19. Evolution:
The Whale

20. Evolution:
The Whale
How do we know that all of this ancient animals are whales?

21. A Whale of a tale!! Pakicetus Ambulocetus Rodhocetus Basilosaurus
Mesonychid

22. A Whale of a tale!! Pakicetus Ambulocetus Rodhocetus Basilosaurus
Mesonychid

23. A Whale of a tale!! Pakicetus Ambulocetus Rodhocetus Basilosaurus
Mesonychid

24. A Whale of a tale!! Pakicetus Ambulocetus Rodhocetus Basilosaurus
Mesonychid