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by dchen22
March 5th, 2020, 2:02 pm
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

EwwPhysics wrote:
March 5th, 2020, 1:22 pm
1. calamites, annularia 2. Maxon Creek (question mark?) 3. Swampy/wet 4. Carboniferous and Permian
Nice job. Your turn.
by dchen22
March 5th, 2020, 5:25 am
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

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 hav...
by dchen22
March 5th, 2020, 3:51 am
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

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. 
by dchen22
February 29th, 2020, 4:05 pm
Forum: 2020 Study Events
Topic: Fossils B/C
Replies: 217
Views: 26526

Re: Fossils B/C

dchen22 wrote:
February 29th, 2020, 4:01 pm
Does anyone know how to get the answer to or where the info comes from for PUSO Fossils Test Station 10 Question 6? Thanks in advance.
Question: Following a massive bolide impact in the year 2888, which specimen would you expect to
find in the highest biomass?
Answer: Psaronius
by dchen22
February 29th, 2020, 4:01 pm
Forum: 2020 Study Events
Topic: Fossils B/C
Replies: 217
Views: 26526

Re: Fossils B/C

Does anyone know how to get the answer to or where the info comes from for PUSO Fossils Test Station 10 Question 6? Thanks in advance.
by dchen22
February 28th, 2020, 3:48 pm
Forum: General Competition
Topic: 2020-2021 Events
Replies: 151
Views: 24026

Re: 2020-2021 Events

ChimpLopez wrote:
February 21st, 2020, 4:31 pm
RIP fossils you will be missed. <3
:,(
by dchen22
February 5th, 2020, 4:15 am
Forum: General Competition
Topic: 2020-2021 Events
Replies: 151
Views: 24026

Re: 2020-2021 Events

When is MatSci coming back?
by dchen22
February 3rd, 2020, 2:19 pm
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

1) Specimen A looks like a sandstone. Specimen B looks like a shale. 2) I think you're looking for varve banding? 3) The shale displays fissility 4)Marine Regression // A is younger than B. LMAO I'm struggling on 2 and 3. Correction| For 2., the answer is Liesegang banding. (It is a side view.) You...
by dchen22
February 2nd, 2020, 4:04 pm
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

Specimen A https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fc1.staticflickr.com%2F1%2F907%2F40280403530_f9fb531c3a.jpg&f=1&nofb=1 Specimen B https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fnyfracfacts.files.wordpress.com%2F2011%2F05%2Fshale.jpg&f=1&nofb=1 1. Identify specimens...
by dchen22
February 2nd, 2020, 3:28 pm
Forum: 2020 Question Marathons
Topic: Fossils B/C
Replies: 98
Views: 11586

Re: Fossils B/C

Answer these questions about Titanis 1. What time period did Titanis live in? 2. T/F? Unlike most other birds, the bones of Titanis skulls are completely fused together 3. Give two possible theories of how Titanis killed its prey 4. What are the closest living relatives to Titanis today? 5. The ear...

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