Fossils B/C

Test your knowledge of various Science Olympiad events.
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daydreamer0023
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Re: Fossils B/C

Postby daydreamer0023 » January 17th, 2016, 1:34 pm

Sorry for the delay.
Image

1. Kingdom
2. Phylum
3. Class
4. Genus
5. Period of abundance
6. Common place for fossils?
7. Meaning of name
8. How did it breathe and why?
9. What is true about its spine in terms of strength?
10. How did it eat? (Be very specific)
11. What adaptation did this specimen have to make this method of eating possible?
11.5. What did it eat (don't say plants say herbivore)
12. Was is slow or fast?
13. True or False: This genus was very very buoyant.
The image isn't showing up.
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Re: Fossils B/C

Postby gryphaea1635 » January 17th, 2016, 4:37 pm

Sorry for the delay.
Image

1. Kingdom
2. Phylum
3. Class
4. Genus
5. Period of abundance
6. Common place for fossils?
7. Meaning of name
8. How did it breathe and why?
9. What is true about its spine in terms of strength?
10. How did it eat? (Be very specific)
11. What adaptation did this specimen have to make this method of eating possible?
11.5. What did it eat (don't say plants say herbivore)
12. Was is slow or fast?
13. True or False: This genus was very very buoyant.
The image isn't showing up.
not varunscs11 but does this link work (leads to the image)?
http://i.ebayimg.com/00/s/NDAwWDUwMA==/ ... K0/$_1.JPG
ESKKEEEETTTIIITT

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Re: Fossils B/C

Postby varunscs11 » January 17th, 2016, 4:38 pm

Yeah that's it. IDK why it wasn't showing up (It was showing up on my computer fine)
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daydreamer0023
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Re: Fossils B/C

Postby daydreamer0023 » January 17th, 2016, 7:30 pm

Sorry for the delay.
Image

1. Kingdom
2. Phylum
3. Class
4. Genus
5. Period of abundance
6. Common place for fossils?
7. Meaning of name
8. How did it breathe and why?
9. What is true about its spine in terms of strength?
10. How did it eat? (Be very specific)
11. What adaptation did this specimen have to make this method of eating possible?
11.5. What did it eat (don't say plants say herbivore)
12. Was is slow or fast?
13. True or False: This genus was very very buoyant.
1. Animalia
2. Chordata
3. Amphibia
4. Eryops
5. Lower Permian?
6. Admiral Formation, TX? (If not, the general location is Southwestern US)
7. Drawn-out face
8. It breathed much like normal amphibians (through lungs, mouth, and skin), but could not exactly expand its rib cage because its ribs were too close together, so it had to depress its hyoid apparatus to expand its oral cavity, elevate the floor of its mouth, and close its nostrils to force air into its lungs, and contract the elastic tissue in the lung walls to force the air out.
9. It's spine is stronger, since it had to resist bending due to body weight and provide mobility
10. It had an inertial method of feeding, helping to trap/swallow prey
11. Had three pairs of backward curving fangs
11.5. Carnivore
12. Slow (at least as a swimmer)
13. I think it's false...
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Re: Fossils B/C

Postby varunscs11 » January 17th, 2016, 8:50 pm

1-5 CORRECT
6. Archer County, TEXAS
7. CORRECT
8. Not quite. Unlike other amphibian Eryops only breathed through lungs (could only rely on) because its body to surface area ratio was not optimized for skin breathing.
9. CORRECT
10. CORRECT
11. While this may be true, what i was looking for was that Eryops had projections off its palate that prevented prey from escaping.
11.5 Carnivore/Piscivore
12. Fast swimmer slow terrestrial movement
13. TRUE
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daydreamer0023
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Re: Fossils B/C

Postby daydreamer0023 » January 18th, 2016, 11:58 am

[img]https://s3.amazonaws.com/classconnection/321/flashcards/4884321/jpg/septastraea-14A5108941261C449A3.jpg[/img]

1. Phylum
2. Class
3. Order/Nickname of Order
4. Genus
5. Temporal Range
6. What is unique about its morphology?
7. What organism did it possibly have a symbiotic relationship with? Describe the relationship.
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Re: Fossils B/C

Postby varunscs11 » January 18th, 2016, 2:05 pm

1. Cnidaria
2. Anthozoa
3. Scleractinia/Stone Corals
4. Septastrea
5. Miocene-Pleistocene
6. Well, the overall shape of the coral is quite random and depends on the energy flow of the environment. In other words if the specimen lived in a high energy environment, it would look different than a specimen that lived in a low energy environment.
7. Hermit Crab. Hermit crab gets a protective "shell" and since coral grows over time, the crab doesn't have to switch shells. The coral gets to move into new areas that may have more nutrients and this allows them to extend their feeding possibilities.
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Re: Fossils B/C

Postby Magikarpmaster629 » January 20th, 2016, 3:14 pm

that it had 12 septa per colony (although I'm not sure if that's unique)
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daydreamer0023
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Re: Fossils B/C

Postby daydreamer0023 » January 23rd, 2016, 6:50 pm

Yup, that's correct, your turn varunscs11!
For question number 6, I was looking for the organism's variable morphology in different wave environments, but also specifically that high energy environments resulted in encrusting forms, while low energy environments resulted in branching forms (well, sometimes, but they were definitely higher if they were irregularly shaped masses.
"I am among those who think that science has great beauty. A scientist in his laboratory is not only a technician: he is also a child placed before natural phenomena which impress him like a fairy tale." - Marie Curie

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Re: Fossils B/C

Postby varunscs11 » January 27th, 2016, 10:35 pm

Someone else please feel free to go. I'm making up a lot of missed assignments due to MIT. :oops: :?
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