Class Notes (1,100,000)
CA (640,000)
UTSC (30,000)
Lecture 10

Lecture 10- BIOC50 theropod evolution


Department
Biological Sciences
Course Code
BIOC50H3
Professor
Jason Weir
Lecture
10

This preview shows pages 1-2. to view the full 7 pages of the document.
Lecture 10 : Theropods and the Evolution of Birds
\
Diapsids -> Dinosauria -> Theropods

Only pages 1-2 are available for preview. Some parts have been intentionally blurred.

-
Question: Why might the largest of the Theropods represent evolutionary dead-ends?
Ex Giganotosaurs (13m)
1) Limited resources required specialized niches
2) Specialized massive bones and muscles were hard to sustain
SPinosaurus (13-18m):
- Skull adapted to catching fish: curved jaws caught the slippery fish
You're Reading a Preview

Unlock to view full version