Movement
They move by means of wings,
which are limbs adapted for flying.
which are limbs adapted for flying.
Support
They have inner skeletons made of bone.
Protection
Their bodies have feathers.
Circulation
Their hearts are divided into four chambers.
Respiration
They breathe with lungs.
Reproduction
Their young develop inside
eggs with hard shells.
eggs with hard shells.
-Pinegreenwoods Montessori
Montessori Zoology
