Main Idea Details
Reptiles and Birds 301terrestrialair saccontour featherdown featherendothermfeatherincubatepreen glandsternumReptiles and Birds
Section 29.2 BirdsCopyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
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VocabularyReview
VocabularySkim Section 2 of the chapter. Identify characteristics of birds that
make them different from reptiles.Use your book or dictionar y to define terrestrial.Use your book or dictionar y to define each term.