Therapsids :: Biology Essays Research Papers

The Amazing Cheesy Adventures of Professor Sandersons Paleobiology Class Part 1 TherapsidsI hope you guys have as much fun course session this as I did writing it. _***The Amazing Cheesy Adventures of Professor Sandersons Paleobiology ClassInvestigation 1 Where did mammals come from? Or Therapsids**Professor Sandersons class was popular. partly this was because he was a well-meaning psyinstructor the images he crafted were neat, cohesive, and usu eachy entertaining. Mainly, though, it was because he was a young male teacher at an all-girls college, who had the fortune to resemble Jai from Queer nerve center For the Straight Guy. These two factors led to an unnaturally high enrollment in Paleobiology 101. No less than fifty-two girls sat chittering in the classroom in front he appeared each day, punctually, at 10 a.m. Most were more intrigued by *his* anatomy than that of the long-dead tetrapods to which he devoted his lectures. Todays attendance was especially high. It was a Fiel d parapraxis day. The term wasnt literal. There was no trip involved---simply the students closing their eyes and falling into the trance-like state from which the professor led their excursions. There, in the collective canvass of their psyches, he would descriptor that days lesson, sculpting visceral images from his expansive spangledge of biology and his even more expansive creativity.Todays lesson was mammalian origins.Where do we come from? he had asked, by way of preamble. We all know the basic answer, or think we do. Apes, right? And apes from primates, and primates from mammals, all well and good. But where do mammals come from? I mean, what did mammals evolve from, and what were the major evolutionary move they took to get there? Doesnt that sound fascinating? The class eyed him warily. A few actually listened. The rest swooned. Today were going to try and explore that question. If youll all take out your textbooks, flip to page 137, lean back, orient your touchpads, an d close your eyes... he waited while the actions were performed. Well be going to the Permian. Thats the time right before the Triassic period, which started the age of the dinosaurs. Its approximately 300 million years in the past. (1)He briefly surveyed the class, then looked thoughtful for a moment. Wait. I guess I should dedicate you a little background first, he relented. The main thing were going to see today is a group of animals called the therapsids.