L56 - D1 L56 - D2 L56 - T1 L56 - T2 L56 Dialogue L56 Let's Try! L56 Read Aloud L56 Today's Targets L56 Words & Phrases L56 _ Train of Thought 1.2 L56-01 The Fact of Evolution--The Fossil Record L56-02 The Fact of Evolution--The Fossil Record L56-03 The Fact of Evolution--The Fossil Record L56-04 The Fact of Evolution--The Fossil Record L56-05 The Fact of Evolution--The Fossil Record L56-06 The Fact of Evolution--The Fossil Record