the theory of whale evolution grade 4 unit 4 lesson 1

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The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

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Page 1: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

The Theory of

Whale Evolution

Grade 4 Unit 4 Lesson 1

Page 2: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Topics:Artiodactyls and Hippos

Whale AncestorsAdaptations

Page 3: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Hippopotamus

Nearest Living Relative to Whales

Page 4: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Let’s Look at Ancient Ancestors

Page 5: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Sinonyx

Page 6: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Indohyus

Page 7: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Ambulocetus

Page 8: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Rodhocetus

Page 9: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Basilosaurus

Page 10: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

Dorudon

Page 11: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsFrom Sinonyx to Humpback Whale

Page 12: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsStreamlined Body

Page 13: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsForelimbs Modified Into Flippers

Page 14: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsTail Broadened Horizontally

Page 15: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsHind Limbs Disappeared Completely

Page 16: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsBlubber Instead of Hair

Page 17: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsNostrils on Top of Head

Page 18: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

AdaptationsHighly Developed Hearing

Page 19: The Theory of Whale Evolution Grade 4 Unit 4 Lesson 1

The End