1 Only about 1 percent of Michiganâs maple forest resource is used in maple syrup production. 2  In an average year, each tap-hole will produce about 10 gallons of maple sap, enough for about a quart of pure Michigan maple syrup.
A mass extinction marked the end of the Mesozoic Era The Mesozoic era is the era of dinosaurs and lasted 180 million years. This era includes 3 well-known periods - Triassic, Jurassic, Cretaceous. A mass extinction marked the beginning and the end of the Mesozoic Era. Was this helpful?
The Mesozoic Era is also known as the Age of Reptiles or the Age of Dinosaurs. During the era, dinosaurs were the Earth's dominant form of life. Continue Reading. The Mesozoic Era is divided into three different periods: the Triassic, the Jurassic, and the Cretaceous. It spanned from approximately 245 million years ago to 65 million years ago.The Mesozoic Era was followed by the Cenozoic Era, which is the current era. The Mesozoic Era ended with the extinction of the dinosaurs.