Fossils B/C

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Re: Fossils B/C

Post by hmmm » April 13th, 2019, 1:55 pm

Rock&Roll92 wrote:I'm just going to revive this thread by posting a question.
[img]http://i65.tinypic.com/2cgn87t.jpg[/img] 
1.) Identify this specimen 
2.) Why is it in this position? 
3.) What is it's class?
4.) Which lagerstätten is this class associated with?
5.) What is the name of this class referring to?
6.) Did this class have gills? If so where were they located?
oof, I forgot to ask a question
1.Eldredgeops
2.defense from predators
3.trilobita
4.beecher's trilobite bed
5.three lobes(central axial lobe and 2 pleural lobes)
6.no?
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Re: Fossils B/C

Post by RockRoll92 » April 13th, 2019, 2:11 pm

hmmm wrote:
Rock&Roll92 wrote:I'm just going to revive this thread by posting a question.
[img]http://i65.tinypic.com/2cgn87t.jpg[/img] 
1.) Identify this specimen 
2.) Why is it in this position? 
3.) What is it's class?
4.) Which lagerstätten is this class associated with?
5.) What is the name of this class referring to?
6.) Did this class have gills? If so where were they located?
oof, I forgot to ask a question
1.Eldredgeops
2.defense from predators
3.trilobita
4.beecher's trilobite bed
5.three lobes(central axial lobe and 2 pleural lobes)
6.no?
Yeah, but for 6 They did have gills under each thorax segment
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Re: Fossils B/C

Post by hmmm » April 19th, 2019, 3:07 pm

Almost forgot
Name the chemical formula and one organic substance they compose(like bones,muscles,shells,etc) for chitin,calcite, aragonite,and apatite
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Re: Fossils B/C

Post by wec01 » April 19th, 2019, 3:13 pm

hmmm wrote:Almost forgot
Name the chemical formula and one organic substance they compose(like bones,muscles,shells,etc) for chitin,calcite, aragonite,and apatite
Chitin: C8H13O5N exoskeletons
Calcite: CaCO3 brachiopod shells
Aragonite: CaCO3 bivalve shells
Apatite: Ca5(PO4)3(OH,F,Cl) teeth
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Re: Fossils B/C

Post by hmmm » April 19th, 2019, 3:57 pm

wec01 wrote:
hmmm wrote:Almost forgot
Name the chemical formula and one organic substance they compose(like bones,muscles,shells,etc) for chitin,calcite, aragonite,and apatite
Chitin: C8H13O5N exoskeletons
Calcite: CaCO3 brachiopod shells
Aragonite: CaCO3 bivalve shells
Apatite: Ca5(PO4)3(OH,F,Cl) teeth
Looks good to me
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Re: Fossils B/C

Post by wec01 » April 19th, 2019, 7:13 pm

1. List three specimens from the list which have tests

2. Give the function (or a possible function if unknown) of each of the following adaptations/features
a. Cryptolithus frill
b. Leptaena rugae
c. siphuncle
d. spicules
e. siphons
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Re: Fossils B/C

Post by hmmm » April 19th, 2019, 7:54 pm

wec01 wrote:1. List three specimens from the list which have tests

2. Give the function (or a possible function if unknown) of each of the following adaptations/features
a. Cryptolithus frill
b. Leptaena rugae
c. siphuncle
d. spicules
e. siphons
1.echinoidea,fusulinida, nummulites
2.filter feeding, stabilization in sediment, buoyancy,defence/support, feeding
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Re: Fossils B/C

Post by wec01 » April 20th, 2019, 9:29 am

hmmm wrote:
wec01 wrote:1. List three specimens from the list which have tests

2. Give the function (or a possible function if unknown) of each of the following adaptations/features
a. Cryptolithus frill
b. Leptaena rugae
c. siphuncle
d. spicules
e. siphons
1.echinoidea,fusulinida, nummulites
2.filter feeding, stabilization in sediment, buoyancy,defence/support, feeding
Yep, your turn
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Re: Fossils B/C

Post by hmmm » April 20th, 2019, 7:34 pm

1.Where is the Burgess Shale?
2.Name and describe the event that the Burgess Shale shows?
3.What famous fossil was found at Solnhofen?
4.Why is that fossil important?
5.Why is Ghost Ranch important?
6.These locations are all ______
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Re: Fossils B/C

Post by dchen22 » April 21st, 2019, 5:40 am

hmmm wrote:
1.Where is the Burgess Shale?
2.Name and describe the event that the Burgess Shale shows?
3.What famous fossil was found at Solnhofen?
4.Why is that fossil important?
5.Why is Ghost Ranch important?
6.These locations are all ______
1. Yoho National Park and Kootenay National Park (Canadian Rockies), British Columbia, Canada
2. Cambrian explosion was a rapid biodiversification event in the Cambrian that led to the modern animal phyla as well as the first appearance of predation.
3. Archaeopteryx 
4. It’s a transitional fossil between reptiles and birds.
5. Lagerstätten
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