This lesson contains 3D models. Some of them are available after a free registration to the Lifeliqe app.NGSS and CCSS aligned.The lesson is dedicated to the history of life on the Earth in the Mesozoic period.Methodology:• Discussion• Lecture• Presentation projectThe principal learning objectives are:• Learn about the evolution and development of Earth and of the life forms which have inhabited it since its creation. • Understand the factors which have contributed to the formation of the e