Birds and Mammals
A bird is an endothermic vertebrate that lays eggs, has feathers, and has a four- chambered heart. A mammal is an endothermic vertebrate that has skin covered with fur or hair, a four-chambered heart, a wide arrangement of teeth, and young that are born alive and feed by milk that was produced by the mother’s body. Read More...
◂Science Worksheets and Study Guides Sixth Grade. Birds and Mammals
Study Guide
Birds and Mammals 
Activity Lesson
Birds & Mammals Worksheet/Answer key
Birds and Mammals Worksheet/Answer key
Birds and Mammals Worksheet/Answer key
Birds and Mammals Worksheet/Answer key
Birds and Mammals Vocabulary/Answer key
Birds and Mammals Vocabulary/Answer key
Birds and Mammals Vocabulary/Answer key
Birds and Mammals Vocabulary/Answer key
Birds and Mammals Vocabulary/Answer key
Birds and Mammals
Activity LessonWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
LIFE SCIENCE
From Molecules to Organisms: Structures and Processes