Fossils B/C

[EwwPhysics]

1. calamites, annularia 2. Maxon Creek (question mark?) 3. Swampy/wet 4. Carboniferous and Permian

[dchen22]

1. calamites, annularia 2. Maxon Creek (question mark?) 3. Swampy/wet 4. Carboniferous and Permian

Nice job. Your turn.

[EwwPhysics]

https://lh3.googleusercontent.com/proxy ... TIDTLVA2pQ
1. ID
2. Who was this genus named after?
3. How did they eat?

4. What caused the Ordovician Mass Extinction?
5. What % of all living species died during the Ordovician Mass Extinction?

[reninkidney]

https://lh3.googleusercontent.com/proxy ... TIDTLVA2pQ
1. ID
2. Who was this genus named after?
3. How did they eat?

4. What caused the Ordovician Mass Extinction?
5. What % of all living species died during the Ordovician Mass Extinction?

1. Genus Rafinesquina
2. Constantine Rafinesque, a 19th Century naturalist
3. They were a filter/suspension feeder which ate plankton with a lophophore.
4. A glaciation event, a gamma-ray burst, volcanism & weathering, or metal poisoning.
5. 70%

[EwwPhysics]

All correct, except for number five I have up to 85%, though either of ours could be off because of the unreliability of the internet... either that or scientists have estimated a range of percents it could be because they obviously don't know it exactly
Your turn!

[reninkidney]

1. Identify this genus.
2. What were the little pits on its cephalon used for?
3. True or False: The adult had no eyes.


4. Identify this genus.
5. Where was this genus in the food chain?
6. Why did this genus fossilize easily?

[BennyTheJett]

Click to Show Answer

1: Cryptolithus
2:Filter Feeding
3:True
4:Elrathia
5: Are you looking for scavenger?
6:The trilobites of the Elrathia genus lived in extremely low oxygen environments.

[Nightfurry]

Is the answer [hide][/hide]Temp

sorry if I did this wrong this is my first time doing this

[Nightfurry]

is it [hide][/hide]Temp

[reninkidney]

Click to Show Answer

1: Cryptolithus
2:Filter Feeding
3:True
4:Elrathia
5: Are you looking for scavenger?
6:The trilobites of the Elrathia genus lived in extremely low oxygen environments.

All correct but, for #5, it was the bottom of the food chain Your turn!