In theMesozoic Era the mass destruction of marine and terrestrial life and the extinction of dinosaurs took place over that time.The extinction took place over 252 years back and over 96% or marine life and 70% of terrestrial life died out. The cause of extinction of marine life and terrestrial life is not clear but asteroid was the cause of extinction of all the dinosaur which were there on the planet since last 135 millions years ago. Before the Mesozoic era dinosaur used to rule the planet and the extinction of dinosaur was a major geographic event of the era.
-shallow seas in the interior of North America at times
Explanation;
-This Era is the second of Earth’s three major geologic eras of Phanerozoic time.
-Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era.
They move proteins and other substances through the cell. The endoplasmic reticulum transports the newly synthesized proteins over to the Golgi apparatus. The Golgi apparatus is to modify the proteins and encase them into vesicles. From here they are transported to the various parts of the cell. The ribosomes are site for protein synthesis.