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Cetacean evolution

why the fuck do i need to know this

QuestionAnswer
- Shift of nares to the top of the head - An overall increase in size (in Mysticestes) - Skull asymmetry and unique hearing adaptations (in Odontocetes) Telescoping of the skull (1/2)
- Changes in teeth (from heterodont to homodont or no teeth) - Reduction in neck function - Changes in overall body form (flukes instead of hind limbs, fusiform body shape and blubber) Telescoping of the skull (2/2)
Prehistoric ungulates (order Condylarthra), gave rise to a sub-order called Arcaheoceti (which were ancient whales) during the early Eocene (55-34 Ma)
Created by: user-2037809
 

 



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