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18. Order Cetacea Notes

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Cetaceans are mammals that evolved from land mammals and adapted to life in the ocean. They include whales, dolphins, and porpoises. Cetaceans have streamlined bodies for swimming, breathe air through blowholes, and use echolocation and vocalizations to communicate. While baleen whales filter feed using baleen plates, toothed whales have teeth adapted for catching prey which they swallow whole. Dolphins and porpoises are considered small toothed whales that typically travel in pods.

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Cetaceans Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Cetacea Suborder: Mysticeti Suborder: Odontoceti Family: Delphinidae Family: Phocoenidae
Mammals ,[object Object],[object Object],[object Object],[object Object],[object Object]
Evolution of Whales ,[object Object],[object Object],[object Object],[object Object],[object Object]
Ancient Whale Ancestors
 
 
Cetaceans ,[object Object],[object Object],[object Object],[object Object]
 
 
 
General Exterior Body Structure ,[object Object],[object Object],[object Object],[object Object]
Flipper vs. Hand Structure
General Interior Body Structure ,[object Object],[object Object]
Melon ,[object Object],[object Object]
Spermaceti Organ ,[object Object],[object Object],[object Object]
Swimming ,[object Object]
Breathing ,[object Object],[object Object],[object Object]
Diving Adaptations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Echolocation ,[object Object],[object Object],[object Object],[object Object]
Vocalizations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Baleen Whales - Mysticeti ,[object Object],[object Object],[object Object],[object Object],[object Object]
Baleen Structure
Rorquals ,[object Object],[object Object]
 
Other Baleen Feeding Methods ,[object Object],[object Object],[object Object]
Toothed Whales ,[object Object],[object Object],[object Object]
 
Dolphins & Porpoises ,[object Object],[object Object]
Dolphin & Porpoises ,[object Object],[object Object],[object Object]
Family Delphinidae ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Family Phocoenidae ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Porpoise vs. Dolphin

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18. Order Cetacea Notes