PBS NOVA Making North America: Life 0:00 - 26:00

Guiding Question: Why is NA home to more species of dinosaur than any other place on Earth?

4:30 Where is the kaiparowits plateau? What type of fossils are found there?

8:00 Trick for testing if a rock is a fossil?

8:00 How much older than T.Rex was the lythronax??

8:30 More than ______of all fossils found on the planet have been found in North America

Bahamas

11:00 What important organisms exists in the bahamas? Are they common today?

12;45 Why is the current and the movement of sand important to these organism’s existence?

13:30 How old is the fossilized stromatolite presented?

15:45 What is the waste product of stromatolites?

Kansas

19:45 What is the rock formation in Kansas called? What type of rock is it? What conclusion can you draw from the type of rock it is?

22:00 How long is the xiphactinus fish?

23:20 When the ocean begin to invade NA? Shade the part of NA with the inland sea on the map.

26:00 What drove the dinosaur diversity?

Laurella, 2019 Name ______PBS NOVA Making North America: Life 26:00 - 53:32 Guiding Questions: What killed all the dinosaurs? Why are humans the only primates on North America?

Colorado

28:00 Bird baths are actually what ancient fossil?

29:30 Around 70 mya, why did the inland sea begin to vanish?

North Dakota

33:00 Use a few words to describe the Hell Creek formation.

35:00 How old is the layer he is looking for? What color is it? How thick is it?

36:00 What does he observe once it is under the microscope? How did they form?

37:00 What other evidence is found that eliminates the possibility of a volcanic eruption causing the layer?

38:00 How big was the asteroid/meteorite that hit North America? How far into space did the debris reach?

40:45 Above the meteor layer, how frequently are dinosaur fossils found?

43:30 What percentages of plants and insects were wiped out by the meteor?

42:45 What type of animal survived the impact?

44:00 Duke University studies what animal in an 80 acre site in NC?

46:30 The 48 myo rock that is scanned are the remains of what type of animal?

48:50 What was the environmental impact of the rift created in the North Sea?

50:00 How long did they survive here? Why did they disappear?

50:15 Around 14,000 years ago what primate entered North America through the Bering Sea Land Bridge?

Laurella, 2019