Key Dinosaur Groups and Adaptations Flashcards
1
Q
Q: What are hadrosaurine and lambeosaurine hadrosaurs known for?
A
A: - Hadrosaurines: Simple crests or fleshy head crests (e.g., Edmontosaurus).
Lambeosaurines: Hollow nasal crests for sound amplification.
2
Q
Q: What is niche partitioning?
A
A: When species share an ecosystem by using different resources to reduce competition (e.g., diplodocids and macronarians).
3
Q
Q: Which Late Cretaceous theropod was the largest predator?
A
A: Giganotosaurus, a carcharodontosaurid from South America.
4
Q
Q: What evolutionary features distinguished therizinosaurs?
A
A: Large claws, small skulls, and a herbivorous diet, despite being theropods.
