Fossils B/C

[hmmm]

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?

[RockRoll92]

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?

Yeah, but for 6 They did have gills under each thorax segment

[hmmm]

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

[wec01]

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

[hmmm]

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

Looks good to me

[wec01]

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

[hmmm]

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

[wec01]

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

Yep, your turn

[hmmm]

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 ______

[dchen22]

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 ______

Answers (Click to Show Hidden Text)

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