New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

Week 6 Lecture Notes

by: Amber Hall

Week 6 Lecture Notes ATY 253-01

Amber Hall
Intro to Biological Anthrpolgy
Charles P. Egeland

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

These are my notes from week 6 of class. Hope they help you!
Intro to Biological Anthrpolgy
Charles P. Egeland
Class Notes
25 ?




Popular in Intro to Biological Anthrpolgy

Popular in Environmental Science

This 3 page Class Notes was uploaded by Amber Hall on Monday September 28, 2015. The Class Notes belongs to ATY 253-01 at University of North Carolina - Greensboro taught by Charles P. Egeland in Spring 2015. Since its upload, it has received 15 views. For similar materials see Intro to Biological Anthrpolgy in Environmental Science at University of North Carolina - Greensboro.

Similar to ATY 253-01 at UNCG

Popular in Environmental Science


Reviews for Week 6 Lecture Notes


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/28/15
92215 Lecture Notes Amber Hall 0 Speciation and Phylogenies o change in gene frequencies over a few generations 0 longterm gene changes resulting in new species 0 What is a species 0 Typological paradigm All organisms belong to one and only one type in perpetuity Groups of organisms similar to each other distinct from others naturally interbreeding group that is reproductively isolated from other groups Interbreeding leads to gene flow Reproductive isolation Reproductive isolating mechanisms I Geographic isolation I Courtship behavior I Sterility I Activity patterns I nviability of zygote Naturallyinterbreeding 0 Still 2 problems here Very different organisms that still interbreed naturally Fossils 0 Species concepts and conservation 1 species of 3000 or 3 of 1000 0 Creating new species 0 creation of new species Often too slow and too fast to observe But we ve seen it happen African chimps 16 mya million years ago all interbreed freely Gelada baboons and Hamadryas baboons 5 mya interbred with fertile offspring Macaques and baboons 10 mya interbreed with sterile offspring o geographic separation followed by genetic divergence o Speciation o quotway of living Rate of speciation depends on the number of open niches o an organism diversifies to fill many available niches 0 Pattern and process in evolution Evolution is MOSAIC I Evolutionary rates are different for different traits 000 I Ex Stature vs brains vs teeth Evolutionary rates are VARIABLE I Sometimes slow sometimes fast 92415 Lecture Notes Amber Hall How can we tell who is related to whom Why are humans considered primates What makes a primate a primate Classification classification of living things Reflects the evolutionary history Taxonomies should reflect evolutionary relatedness Need to determine who is rated and how closely to whom tree showing ancestordescendent relationships We are basically upright naked apes Genus Tribe Subfamily Common ancestor Can make bigger classificationsgroups if you go farther back in time Establishing evolutionary relations Types of traits shared trait due to shared common ancestry shared traits evolves independently in two groups convergent evolution Falcon Ancestral bird Bat Ancestral mammal Pterodactyl Ancestral reptile Convergent evolution Musk Deer K9 teeth evolved because of sexual selection Lion K9 teeth evolved to eat meat occurs in the last common ancestor of a group of organisms distinct from that possessed by the last common ancestor of a group of organisms Ancestral vs Derived Humans five digits ancestral has not changed for like 250 years Horse One digit derived What traits should be used CLADISTICS Shared ancestral traits NOT USEFUL Unique derived trait NOT USEFUL Shared derived trait USEFUL Emphasizes only phylogeny Hairiness in primates Hominoids apes gibbons bonobos humans etc Mobile shoulderjoint and lack of tail Hominins humans ancestors Bipedalism Step 1 choose a taxa Sharks and relatives Rayfinned fishes Amphibians Primates Rodents and rabbits Crocs and Relatives Dinosaurs and Birds Step 2 choose traits Yes or no questions Step 3 determine polarity of traits Define an quotoutgroupquot Represent the ancestral condition Step 4 Group taxa by shared derived traits Make your tree Molecular phylogenies Alleles or base pairs as traits Molecular clock and mutation rates Meet the Primates Primates as Mammals 250 species Body hair Birth to live young ability to maintain constant body temperature Behavioral flexibility Why study primates We humans are primates Diseases Understanding human evolution 3 things about primates ARBOREAL adaptation treedwelling Dietary plasticity Lots of parental investment in offspring Body Plan Versatile and Flexible Skeleton Clavicle collarbone and scapular shoulder blade Opposable thumb Power and precision grips Post orbital opening


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Kyle Maynard Purdue

"When you're taking detailed notes and trying to help everyone else out in the class, it really helps you learn and understand the I made $280 on my first study guide!"

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.