http://www. physics. unl http://www.physics.unl.edu/~fulcrum/ Department of Physics & Astronomy University of Nebraska-Lincoln Lincoln NE 68588-0111 fulcrum2@unl.edu 402-472-8685 Embryology
Animals that lay eggs Embryology for Humann’s 3rd Grade class—a supplement for the 3rd Grade Embryology Curriculum
Birds
Bird eggs come in all shapes and colors
Very large Very small
The ostrich lays the largest eggs
Iguanas, monitors and alligators all lay eggs Reptiles Iguanas, monitors and alligators all lay eggs
Reptile eggs are soft and squishy
Turtles lay eggs too!
Mammals Echidna Two mammals lay eggs Both live in Australia
Platypus