work until it is reactivated.
This Concept Map, created with IHMC CmapTools, has information related to: birds 2, have ???? Beaks, Rapid Digestive Systems is nessasary due to High Metabolism, Birds are Warm-Blooded Animals, Warm-Blooded Animals maintain Constant Body Temperature, have ???? Two Wings, require ???? Food, have ???? Two Feet, Birds ???? have, have ???? Rapid Digestive Systems, have ???? Hollow Bones, Birds ???? require