Devonian Mass Extinctions Were Partly Caused by Global Tectonic Changes

Q25: A worm that burrows into sediments below

Q26: The Burgess Shale is significant because it

Q27: Jellyfish are _.<br>A) pelagic plankton<br>B) benthic plankton<br>C)

Q28: Why are the Burgess Shale organisms considered

Q29: Describe the Burgess Shale environment and biota.

Q31: The Burgess Shale was deposited during the

Q32: Planktonic foraminifera and jellyfish are examples of

Q33: Any animal that eats other animals, living

Q34: The different tiers of food production and

Q35: An organism classified as an autotroph has