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Re: Fossils B/C

Posted: March 23rd, 2020, 9:28 pm
by twig
Ok, the only answer that seems skeptical to me is 6...
I'll take the answer though and 12 could've been theropods or saurischians, either or could've worked.
All Correct! Your turn!

Re: Fossils B/C

Posted: March 23rd, 2020, 9:39 pm
by reninkidney
https://www.thefossilforum.com/uploads/ ... bd75b.jpeg

1. ID this specimen.
2. Who discovered it?
3. Was this specimen a top predator?
4. When did it go extinct?

https://cdn11.bigcommerce.com/s-fme25/i ... 45.jpg?c=2

5. ID this specimen.
6. How did this specimen feed?
7. How did this specimen breathe?
8. What is the meaning of this specimen's name?

Re: Fossils B/C

Posted: March 24th, 2020, 11:03 am
by twig
reninkidney wrote:
March 23rd, 2020, 9:39 pm
https://www.thefossilforum.com/uploads/ ... bd75b.jpeg

1. ID this specimen.
2. Who discovered it?
3. Was this specimen a top predator?
4. When did it go extinct?

https://cdn11.bigcommerce.com/s-fme25/i ... 45.jpg?c=2

5. ID this specimen.
6. How did this specimen feed?
7. How did this specimen breathe?
8. What is the meaning of this specimen's name?
1. Xiphactinus
2. Professor Joseph Leidy
3. Yes
4. Late Cretaceous
5. Eryops
6. carnivore?
7. buccal pumping (where the floor of its mouth helped pump air into the lungs)
8. Drawn out face

Re: Fossils B/C

Posted: March 24th, 2020, 12:58 pm
by reninkidney
twig wrote:
March 24th, 2020, 11:03 am
reninkidney wrote:
March 23rd, 2020, 9:39 pm
https://www.thefossilforum.com/uploads/ ... bd75b.jpeg

1. ID this specimen.
2. Who discovered it?
3. Was this specimen a top predator?
4. When did it go extinct?

https://cdn11.bigcommerce.com/s-fme25/i ... 45.jpg?c=2

5. ID this specimen.
6. How did this specimen feed?
7. How did this specimen breathe?
8. What is the meaning of this specimen's name?
1. Xiphactinus
2. Professor Joseph Leidy
3. Yes
4. Late Cretaceous
5. Eryops
6. carnivore?
7. buccal pumping (where the floor of its mouth helped pump air into the lungs)
8. Drawn out face
Good, but For number 3, it wasn't a top predator (it was a predator, not a top one) and for number 6, it grasped prey & went forward, forcing prey back into mouth, swallowing it whole Your turn!

Re: Fossils B/C

Posted: April 24th, 2020, 11:18 am
by reninkidney
Revival (sorry for the double post...):

1. ID this specimen: https://www.foraminifera.eu/singimg/cib ... rsheim.jpg
2. What is its temporal range?
3. What kind of life was it adapted for?

4. ID this specimen: https://encrypted-tbn0.gstatic.com/imag ... Y&usqp=CAU
5. What environment was it adapted to?
6. Who discovered it?

Re: Fossils B/C

Posted: April 24th, 2020, 3:22 pm
by dchen22
reninkidney wrote:
April 24th, 2020, 11:18 am
Revival (sorry for the double post...):

1. ID this specimen: https://www.foraminifera.eu/singimg/cib ... rsheim.jpg
2. What is its temporal range?
3. What kind of life was it adapted for?

4. ID this specimen: https://encrypted-tbn0.gstatic.com/imag ... Y&usqp=CAU
5. What environment was it adapted to?
6. Who discovered it?
1) Genus Nummulites 
2) Mid-Cretaceous
3) Benthic filter-feeders (?)
4) Genus Astraeospongia
5) Shallow Marine
6) ??

Re: Fossils B/C

Posted: April 26th, 2020, 10:32 am
by BennyTheJett
I believe that's correct dchen22. I'd submit questions.

Re: Fossils B/C

Posted: April 27th, 2020, 1:58 pm
by dchen22
1. When did land plants first appear?
2. What were adaptations that plants needed to colonize the land?
3. Describe the alternation of generations.

Re: Fossils B/C

Posted: June 6th, 2020, 3:06 pm
by stlcards422
dchen22 wrote:
April 27th, 2020, 1:58 pm
1. When did land plants first appear?
2. What were adaptations that plants needed to colonize the land?
3. Describe the alternation of generations.
500 million years ago
air?
it is the life cycle that occurs in plants??