Lecture Questions Flashcards
1
Q
Is Archaeopteryx a bird or a dinosaur?
A
- it is considered a dino-bird
- it has features of both dinosaurs (bony tail, teeth) and birds (wings, feathers) but may not have been able to fly
2
Q
What type of rock will we most likely find dinosaurs in?
A
- classic sedimentary, because dinosaurs did not live in water
3
Q
What an we learn about the environment during the Time of the Dinosaurs from studying the rocks in Drumheller?
A
- it used to be swampy (coal layers)
- white layers show that a river used to flow through the area
- clay layers - flood plain deposits
4
Q
Is a dike older or younger than surrounding strata?
A
- younger.
- class example: if you are cutting a cake, you need a cake to cut in the first place
5
Q
Why are animals sometimes preserved in the “death pose”?
A
- we don’t entirely know, but…
- muscles and tendons drying up
- drowned, and ended up in this death pose
- like a chicken, neck flopped after death