3. When did the 5 drastic declines occur in Sepkoski's diversity curve (Figure 1)? Drastic decline 1: Drastic decline 2: Drastic decline 3: Drastic decline 4: Drastic decline 5: 4. Which of the drastic declines is reflected in all three faunas?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Number of Genera
2500
2000
1500
1000
500
0
archaeocyathids
Cm
m
Cm
S
D
Pz
P Tr J
200
Geologic Time (10 years)
400
microfossils
Md
K
T
Transcribed Image Text:Number of Genera 2500 2000 1500 1000 500 0 archaeocyathids Cm m Cm S D Pz P Tr J 200 Geologic Time (10 years) 400 microfossils Md K T
3. When did the 5 drastic declines occur in Sepkoski's diversity curve (Figure 1)?
Drastic decline 1:
Drastic decline 2:
Drastic decline 3:
Drastic decline 4:
Drastic decline 5:
4. Which of the drastic declines is reflected in all three faunas?
Transcribed Image Text:3. When did the 5 drastic declines occur in Sepkoski's diversity curve (Figure 1)? Drastic decline 1: Drastic decline 2: Drastic decline 3: Drastic decline 4: Drastic decline 5: 4. Which of the drastic declines is reflected in all three faunas?
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