Class Notes (836,580)
Canada (509,856)
Anthropology (869)

January 20th - Primate relatives.docx

6 Pages
Unlock Document

Anthropology 1020E
Alexis Dolphin

Lecture 5: Primates - Who are our primate relatives? - What can they reveal about our humanity? What is a primate? Who are the non-human primates? Film: “Life in the Trees” Primates as Mammals 3 Subgroups: - Egg layers (monotremes) - Marsupials - Placentals Placental Mammals: - Body hair - Long gestation period o Pregnancy - Mammary glands - Different types of teeth - Constant body temperature - Increased brain size - Capacity for learning and behavioral flexibility Primate Characteristics: Limbs and Locomotion - Tendency toward erect posture o Always a few exceptions o Sitting up strait not necessarily bipedalism - Flexible limb structure o Adaptation for living in trees - Hands and feet with a high degree of prehensility o We’ve pretty much lost this in our feet - Opposable thumb - Nails instead of claws Types of Locomotion: Quadra-pedal: - All four limbs support the body - Bodies are usually parallel to the ground - Heads look forward - Different anatomy at base of skull Brachiation: - Body suspended beneath hands - Support alternative form one forelimb to the other o Gibbons are the best at this Clinging and Leaping Knuckle-walkers - Chimps Bipedalism Diet and Teeth: - Lack of dietary specialization o Omnivorous  Eats everything - Different types of teeth for different jobs Senses and the Brain: - Colour vision o Most - Depth Perception o Eyes at the front of skull - Decreased reliance on smell o Ex. Cats and dogs - Expansion and increased complexity of the brain o More complex with apes and even more in humans o Large relative to our body size Maturation, Learning and Behavior - Long Gestation - Fewer offspring and delayed maturation o Fewer offspring with more care required - Depend on flexible, learned behavior o Maturation has to happen when they come out of our bodies because they just wouldn’t fit out of pelvis - Strong mother-infant bond o Strong variation for how involved males are with babies within primates - Live in social groups - Active during the day Prosimians (Lemurs and Lorises) - Where: o Madagascar - Anatomy: o Tooth comb o Grooming claw  Keeps bugs out  Bonding and building social relationships o Larger olfactory bulb - Behaviour: o Female dominance o Scent-marking Anthropoid Traits - Monkeys, apes and humans o Larger body size (relative to prosimians)  Asia, not really in Europe, not in northAmerica (non- human), plenty in south America o Larger brain o Reduced reliance on sense of smell o Increased reliance on vision o Bony plate around eye socket o Increased parental care o More mutual grooming - Monkeys: o 85% of all primates o Two groups:  New world monkeys (NWM)
More Less

Related notes for Anthropology 1020E

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.