Fossils B/C

Test your knowledge of various Science Olympiad events.
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BennyTheJett
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Re: Fossils B/C

Post by BennyTheJett » March 1st, 2020, 6:14 pm

1:Coquina
2:Shell Fragments
3:CaCO3
4:The shells settle onto the seabed and conglomerate? (Not sure what you're looking for here)
5:Is Oatmeal a Cereal? Ima say Granola Bar, since oatmeal flakes aren't a cereal........... :lol: 
EDIT: Reformating answer so you don't have to click so many times :?
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Re: Fossils B/C

Post by hmmm » March 1st, 2020, 8:33 pm

sciolyrules107 wrote:
March 1st, 2020, 6:03 pm
Alrighty. I might as well start this up again.

https://earthphysicsteaching.homestead. ... _FL_3A.JPG

1. ID
2. What is it made of?
3. What is its composition?
4. How did it form?
5. What popular cereal bar does it look like?
1.coquina
2.shell fragments
3.calcium carbonate
4.shell fragments cemented together
5.rice krispies
Edit:didn't see Benny's response bc it got pushed to the next page, oops
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Re: Fossils B/C

Post by sciolyrules107 » March 2nd, 2020, 4:48 pm

hmmm wrote:
March 1st, 2020, 8:33 pm
sciolyrules107 wrote:
March 1st, 2020, 6:03 pm
Alrighty. I might as well start this up again.

https://earthphysicsteaching.homestead. ... _FL_3A.JPG

1. ID
2. What is it made of?
3. What is its composition?
4. How did it form?
5. What popular cereal bar does it look like?
1.coquina
2.shell fragments
3.calcium carbonate
4.shell fragments cemented together
5.rice krispies
Edit:didn't see Benny's response bc it got pushed to the next page, oops

yes. you guys are both right (besides #5). Issa rice Krispie treat :)

your turn!
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Re: Fossils B/C

Post by BennyTheJett » March 2nd, 2020, 4:59 pm

https://upload.wikimedia.org/wikipedia/ ... shell1.jpg

1: Genus of the organism
2:In what geologic period did the organism evolve?
3:The word operculum means what? (like root words)(Example: Sand Dollars = "Little Coin")
4:The shell of the specimen has what chemical composition?
5:This specimen is found a lot in which Lagerstatte on the list?
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Re: Fossils B/C

Post by Name » March 2nd, 2020, 6:38 pm

BennyTheJett wrote:
March 2nd, 2020, 4:59 pm
https://upload.wikimedia.org/wikipedia/ ... shell1.jpg

1: Genus of the organism
2:In what geologic period did the organism evolve?
3:The word operculum means what? (like root words)(Example: Sand Dollars = "Little Coin")
4:The shell of the specimen has what chemical composition?
5:This specimen is found a lot in which Lagerstatte on the list?
1. Turritella
2. Triassic
3. Little Lid
4. Aragonite
5. Green River
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Re: Fossils B/C

Post by BennyTheJett » March 2nd, 2020, 7:00 pm

Nice Job! I was looking for CaCO3, but Aragonite is the same. Your turn!
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Re: Fossils B/C

Post by Name » March 4th, 2020, 8:00 pm

Image

1. ID this specimen
2. What Lagerstätten can this specimen be found in?
3. Mult choice:
A. This specimen contains both xylem and phloem
B. This specimen contains only xylem
C. This specimen contains only phloem
D. This specimen contains neither xylem or phloem
4. This specimen does not contain lignin found in modern trees. How do these trees support themselves instead?
5. How may this specimen contributed to the Carboniferous Rainforest Collapse?
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Astro: 2/4/2/10/2/2/3
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Fossils: 16/13/6/9/2/3/8

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Re: Fossils B/C

Post by dchen22 » March 5th, 2020, 3:51 am

1. Lepidodendron
2. Mason Creek
3. A
4. The stability of the tree relied on strong outer bark.
5. Scale trees sequestered so much CO2 from the atmosphere that it caused a cooling climate which led to the extinction of the scale trees. 
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Re: Fossils B/C

Post by Name » March 5th, 2020, 4:40 am

dchen22 wrote:
March 5th, 2020, 3:51 am
1. Lepidodendron
2. Mason Creek
3. A
4. The stability of the tree relied on strong outer bark.
5. Scale trees sequestered so much CO2 from the atmosphere that it caused a cooling climate which led to the extinction of the scale trees. 
3 should be B. Your turn!
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Favorite Past Events: Microbe, Invasive, Matsci, Fermi <3
Events!: Astro :?: , Code <3 , Fossils :cry:

2019-2020 Season
Cornell/LISO/Duke/MIT/Regionals/Brown/SOUP
Astro: 2/4/2/10/2/2/3
Code: 9/1/2/1/1/1/1
Fossils: 16/13/6/9/2/3/8

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Re: Fossils B/C

Post by dchen22 » March 5th, 2020, 5:25 am

Name wrote:
March 5th, 2020, 4:40 am
dchen22 wrote:
March 5th, 2020, 3:51 am
1. Lepidodendron
2. Mason Creek
3. A
4. The stability of the tree relied on strong outer bark.
5. Scale trees sequestered so much CO2 from the atmosphere that it caused a cooling climate which led to the extinction of the scale trees. 
3 should be B. Your turn!
I believe that all vascular plants have xylem and phloem or else they couldn’t transport water and nutrients. Lepidodendron has secondary xylem but not secondary phloem.

Image

1. Identify this specimen and the form stem taxon of the organism the specimen is associated with.
2. Which Lagerstätte is this specimen found at?
3. What type of paleoenvironment is this specimen indicative of?
4. What two periods is this specimen from?
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