Cetaceans Flashcards
1
Q
What are Odontoceti?
A
Toothed whales (Dolphins)
2
Q
What are Archaeoceti?
A
‘Old cetaceans’ - Extinct cetaceans.
3
Q
What are Mysticeti?
A
Paline whales.
4
Q
What are the three sub-orders of Cetacea?
A
- Archaeoceti
- Mysticeti
- Odontoceti.
5
Q
What superorder do Cetacea belong to?
A
Cetartiodactyla.
6
Q
What prevents whales from becoming disorientated when twisting and turning quickly?
A
The inner ear/organ of balance is a lot smaller in whales than humans preventing the liquid inside from moving much at all. This allows them to avoid predators.
7
Q
What characteristics are required for echolocation?
A
- Dense rostrum
- Air sac fossae
- Cranial asymmetry
- Broad maxillae.
