ATM 200 - Natural Disasters
Ch M17 – The
Great Dyings
(Mass Extinctions)
Monday, 9
November 2015
Daily Announcements:
1)
Exam #3 is
Monday, Nov. 23.
2)
Today is the last day to drop any course with a “W”.
3)
Complete the Geologic
Timeline by Friday, Nov. 20.
Song #1: “Keep
Yourself Alive” by Queen
Song #2: “It’s
the End of the World As We Know It” by R.E.M.
Text Source Today: Ch 12 (p. 313-314), Ch M17 (p.
2-9)
○ Archaea ○
Stromatolites ○
Snowball Earth
(Cryogenian Periods)
○ Eukaryotes
○ Cambrian Explosion ○
Carboniferous
Period
○ Dinosaurs
○ Torrid Age ○
Ice Ages ○
Last Extinction
Study Guide Material (Stacey’s Guide) :
1)
What is the
difference between reducing and oxidizing atmospheres?
2)
What are fossils
and why are there none older than ~543 million years ago?
3)
What percentage
of all plant and animal species that have ever lived are extinct?
4)
What is the definition
of “species” and “mass extinction”?
5)
What are the archaea
and when did they live?
6)
What are stromatolites
and what life form made them?
7)
When did our
distant ancestor (eukaryotes) arrive on the scene?
8)
What did the
arrival of sexual reproduction have on evolution ~1 billion years ago?
9)
What caused the
“Cryogenian Period” 750 to 620 million years ago?
10)When
was the “Cambrian Explosion” and what happened prior?
11)
What allowed the fishes to leave and oceans, to become land dwellers?
12)
What was significant about the “Carboniferous Period”?
13)
What role did the “Siberian Traps” and “Deccan Traps” flood basalts play?
14)
How long did the dinosaurs rule the planet?
15)
What life took over from the extinct dinosaurs?
What was the “Torrid Age?”
16)
Has Earth been warming or cooling over the past 55 million years?
17)
What likely began the more recent series of “Ice Ages”?