Whale Evolution - NOAA Office for Coastal Management

Whale Evolution - NOAA Office for Coastal Management

The Theory of Whale Evolution

Grade 4 Unit 4 Lesson 1 Topics:

Artiodactyls and Hippos Whale Ancestors

Adaptations Hippopotamus

Nearest Living Relative to Whales

Lets Look at Ancient Ancestors Sinonyx

Indohyus

Ambulocetus Rodhocetus

Basilosaurus

Dorudon Adaptations

From Sinonyx to Humpback Whale Adaptations Streamlined Body

Adaptations Forelimbs Modified Into Flippers

Adaptations Tail Broadened Horizontally

Adaptations Hind Limbs Disappeared Completely

Adaptations Blubber Instead of Hair

Adaptations Nostrils on Top of Head

Adaptations Highly Developed Hearing

The End

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