Evolution Documentary
A. Watch the documentary: Video is found in Blackboard Folder for Lab 14
B. As you follow along with the documentary answer the following questions.
Video questions:
1. How many years ago did the Hammerhead shark first appear?
a. ________________________________________________
2. In his experiment, what difference did Kaijura see in the behaviors between hammerhead and
lemon sharks?
a. ________________________________________________
3. How does the mimic octopus-imicking increase its chance for survival?
a. ________________________________________________
4. What drove the development of the shell?
a. ________________________________________________
5. How did the cuttlefishàshell-less adaption increase its chance for survival? How did it hurt its
chance for survival?
a. ________________________________________________
6. In what 2 ways does the smart skin system fool a predator?
a. ________________________________________________
b. ________________________________________________
7. In reference to body shape, what trait makes the octopus the most unique animal on the
planet?
a. ________________________________________________
8. How long ago did the first fish like creature crawl on land?
a. ________________________________________________
9. What body structures did Dr. Jenkins find that told him the bones/fossil he found was the
missing link (i.e. it was a fish that moved onto land)
a. ________________________________________________
10. What is the Tiktaalik?
a. ________________________________________________
11. What basic skeletal shape do mammals all share?
a. ________________________________________________
12. Why is the star-nosed mole in the Guinness Book of World records?
a. ________________________________________________
13. What animalàancestor was the first to move back into the sea?
a. ________________________________________________
14. What does each structure do in the platypus?
a. Bill- _____________________________________________
b. Feet __________________________________________
c. Fur ___________________________________________
15. What did the Pakicetus evolve into?
a. _________________________________________________
16. What do giraffes have the most powerful hearts in nature?
a. _________________________________________________
17. Why are their necks so long? (3 reasons)
a. _________________________________________________
b. _________________________________________________
c. _________________________________________________
18. Why are giraffes(orns blunted?
a. _________________________________________________
19. From the point of view of evolution, What is the entire point of life?
a. _________________________________________________
20. In the long-stalk fly, Why is a shorter stalk a species killer?
a. _________________________________________________
21. Evolution shaped the human. The shape of the human body is the result of what single
behavioral change in our ancestors?
a. _________________________________________________
22. How did this behavior lead to a bigger brain?
a. _________________________________________________
23. List two examples that shows that standing up and walking in humans is a learned behavior
(rather than a natural instinct).
a. _________________________________________________
b. _________________________________________________
24. Why did Kangaroos grow big feet?
a. _________________________________________________
25. Why do they bounce?
a. _________________________________________________

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