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Rock&Roll92 wrote:I'm just going to revive this thread by posting a question.

Questions (Click to Show Hidden Text)

[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?

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?

hmmm wrote:

Rock&Roll92 wrote:I'm just going to revive this thread by posting a question.

Questions (Click to Show Hidden Text)

[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

Answers (Click to Show Hidden Text)

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?

hmmm wrote:Almost forgot

Questions (Click to Show Hidden Text)

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

wec01 wrote:

hmmm wrote:Almost forgot

Questions (Click to Show Hidden Text)

Name the chemical formula and one organic substance they compose(like bones,muscles,shells,etc) for chitin,calcite, aragonite,and apatite

Answers (Click to Show Hidden Text)

Chitin: C8H13O5N exoskeletons
Calcite: CaCO3 brachiopod shells
Aragonite: CaCO3 bivalve shells
Apatite: Ca5(PO4)3(OH,F,Cl) teeth

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

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

Click to Show Answer

1.echinoidea,fusulinida, nummulites

2.filter feeding, stabilization in sediment, buoyancy,defence/support, feeding

hmmm wrote:

Questions (Click to Show Hidden Text)

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