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Transcript of Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell...
![Page 1: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/1.jpg)
Today
Hand in any work needed. Get out a small piece of paper, PUT
YOUR NAME ON IT. When bell rings the quiz will start and
you will have 1 minute per question to answer.
![Page 2: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/2.jpg)
Question 1 List the order the rocks came in
First
Second
Third
Forth
Fifth
Sixth
![Page 3: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/3.jpg)
Question 2
What is the oldest group here?
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Question 3
What geologic period did the placoderm fish mostly live?
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Question 4
What minerals are in andesite?
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Answers
1.) List the order the rocks came in4, 5, 2, 6, 1, 3
2.) What is the oldest group here?Borden group
3.) What geologic period did the placoderm fish mostly live?Devonian
4.) What minerals are in andesite?Feldspar, Biotite, Amphibole
![Page 7: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/7.jpg)
MASS EXTINCTIONS
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Vocab
Time scale Mass extinction Evolution
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Geologic Time Scale
Earth was formed 4.6 BYA (billion Years Ago)
How do we know this? How old is the oldest rock
on Earth?(look at your ESRT!)
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![Page 11: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/11.jpg)
Geologic timeline Copy this down!
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Mass Extinctions
These are events where most or a lot of living things on Earth were killed.
To go Extinct means to have a whole species die and nothing is left living from that species.
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Causes of mass extinctions Meteor impacts Global Warming Oxygen levels Sea level change Storms Volcanic eruptions Possible many more things… can
you think of something?
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5 Major mass extinctions Cretaceous (65mya)
62% loss of species caused by impact and flood basalts Triassic (210mya)
65% loss of species caused by impact and flood basalt. Permian (250mya)
90% loss of species caused by impact, flood basalts, & global warming.
Devonian (365mya)72% loss of species caused by impact.
Ordovician (445mya)65% loss of species caused by ice age and sea level
fall (still debated)
![Page 15: Today Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute.](https://reader030.fdocuments.us/reader030/viewer/2022032605/56649e7b5503460f94b7d30f/html5/thumbnails/15.jpg)
Historic Mass Extinctions One famous one is the K-T extinction.
Cretaceous and Tertiary periodsWhere the dinosaurs died.
Now?? Humans?Global WarmingSea level riseChanging CO2 levelLoss of resources
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Evolution What is this?
The response to environmental changes an organism that allows it to survive.
Example:?AllergiesBirds beaksDiseasesGoose bumpsWisdom teethCoccyx (tail bone)Appendix
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Causes Environmental factors:
Plate tectonicsAtmospheric changesPhysical needsWeak links die off..
All occur over long time frames!
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Evidence
Birds beaks Whales have a hip bone!? Ancient giraffes had shorts necks Arms of different animals have
same parts.