Unit 2 Lesson 1 Animal Classification: Animal Researchers (Meet Rattenborough)
Unit 2 Lesson 2 Animal Classification: Classifying Animals
Unit 2 Lesson 3 Animal Classification: Vertebrate or Invertebrate?
Unit 2 Lesson 4 Animal Classification: Warm-or Cold-Blooded?
Unit 2 Lesson 5 Animal Classification: Fins and Gills
Unit 2 Lesson 6 Animal Classification: From Water to Land
Unit 2 Lesson 7 Animal Classification: Frogs
Unit 2 Lesson 8 Animal Classification: Cold-Blooded Scaly Vertebrates
Unit 2 Lesson 9 Animal Classification Reptiles
Unit 2 Lesson 10 Animal Classification: Wings and Feathers, Part I
Unit 2 Lesson 11 Animal Classification: Wings and Feathers, Part II
Unit 2 Lesson 12 Animal Classification: Live-Bearing Milk Producers
Unit 2 Lesson 13 Animal Classification: Jane Goodall
Unit 2 Lesson 14 Animal Classification: "Scientists Who Classify Animals" and "Vertebrates around the World"