hello everyone i hope your weekend is good and I see that many of you are working through lab 10 and I did promise you um a short lecture aka walk through this lab to help you out and I'm going to focus u my information specifically to the questions and the exercises so it's all about living primates this lab and lab 10 exercise one is about distinguishing mammals from primates now we all know that primates are mammals but primates have a specific trait that distinguish them from other mammals that includes a rotating shoulder joint uh a generalized body plan or skeletal structure stereoscopic vision um primate brains are bigger than mammals uh they have dietary plasticity uh an enhanced sense of touch and that's because of the dermal ridges i'm not going to read through all of these because really everything you need to you need to know to answer these questions is in the lab okay and so these are just some of um the primate trait they're not limited to so uh we also know that there are two suborders of primates the Simeon and anthrop now these are the old editor names the new order names are steps and hapllorini respectively and the reason that they were changed um has to do with terc and this occurred in the 70s when researchers were uh re-examining the tarier and found out or realized that they had more characteristics that fit with or in line with the half so they got moved over to that subway now Pimeians or steps are the primitive sea monkey species like the lemurs of Madagascar Madagascar and Lorises a variety includes monkeys apes and humans questioned um go this slide this is important so looking at uh here in the top right given the lum so you notice the sepsarini and raccoon which is a mammal but it's not a primate the important thing here to know that may have a post orbital involved but it's not in there too to protect that vital eye organ and given a half has a fully enclosed or encased eye is that specific that information specifically is a few questions in the lab forward here we also know that steeper have a tooth cone and again those large eyes that indicate that they are nocturnal creatures they also have a specialized claw on the nail on the foot and in certain um species is called or a coral claw uh we know that halfines as I said they have very good vision we know that they're dnome that's because of their smaller eyes they have larger brains and larger bodies than the pimeians or separate much more highly sexually dimorphic and there is a difference in the decision between monkeys apes and humans so um I'm not going to tell you the answer to that but more importantly I am going to it's right here on the slide and I could upload this PowerPoint but again it's right in the lab chapter all of this is from textbook and yeah I think that is oh one other thing we know that uh new world monkeys and old world monkeys there's a difference with new world monkeys not all of them but some of them have a prehensil tail and there's a difference in the distation between the two having to do with a premon and then for uh lab 10 exercise five distinguishing old monkeys and apes well we know that apes don't have a tail so that should help you out and so really in that exercise is asking you how looking at the image library how do you know which one is you have to identify the characteristics of an eight and how you know that um and that's it so there's only five exercises and one has eight questions I think or at least is worth eight points i'm not sure if it has eight questions and that's really um that's it for 10 so I will see you uh next Thursday i'm going to go ahead and open up lab 11 primate sociality um don't worry I'm not going to put a date on it but if you're already ahead you can go ahead and start working on that and if you have any questions please uh write them down and we will address them on Thursday but um I think that's it so enjoy the rest of your weekend