11.6 Examples a 4 + 12a 2 + 35 = 0 We factored this in class, but I want to show you how to do it by substitution: Let u = a 2 u2 = a4 So now we have: u 2 + 12u + 35 = 0
This can be factored like we did in class: (u + 7)(u + 5) = 0 So: u+7 =0 u = 7 or u+5
KLASIES RIVER MOUTH
REVIEW THE COLOR PICTURES:
P. AETHIOPICUS - Black Skull
AU. GARHI Surprise
Who was the English surveyor who developed stratigraphic correlation?
o William Smith
What environments are the best for fossilization?
o The plant or animal must be encased in a substance that prevents destruction or erosion. Ice, tar, or layer
STUDY ALL EXERCISES DONE: CLASSIFICATION CHART PRIMATES; LOCOMOTION; TEETH
Recognize pictures of primates from slides and text book; know new world monkey, old world monkey, lemurs, tarsier,
lesser apes, and greater apes.
Be able to use th
What is the basic structure of all life?
When did prokaryote cells first appear?
3.7 billion years ago
What are the characteristics of Somatic cells?
What are the two characteristics that define a hominin?
o Pranthropus and Australopithecus, aethiopicus, bosei, robustus
o Australopithecus, anamensis, afarenis, africanus, garhi
What type if canines do hominins have?
In the study of humans what is a physical anthropologist concerned with?
study human biology, both past and present, to better understand human origins, human evolution, and human biological
variation. Of course, humans are both biological and cultu
Review the different results from disruptive selection; directional selection; and stabilizing selection
Johann Blumenbach recognized how many racial types?
Read how people living in high altitudes are able to change their body to adapt to their envi
ESTRUS - the period of time when female animals are sexually excited and receptive to mating. Estrus occurs
around the time of ovulation in many species
DIASTEMA - A space between two teeth. Space between the top incisors and canines that allow
What are the characteristics of modern Homo sapiens skull?
Modern humans have a high forehead and a round skull shaped like a soccer ball. We have a small face, small
teeth, small brow ridges, and a projecting chin. Our skeletons are also quite grac
Review Characteristics shared by primates. Do we have claws or nails?
o Have 5 digits
o Nails not claws
o Large complex brain
o Opposable thumb
o Stereoscopic vision and colored vision
o Long infancy period
o Prehensile hands and feet
o Dental g
The four forces of evolution
Mutation, gene flow, genetic drift, natural selection
How are gene flow and genetic drift different?
Who was the researcher who found Pithecanthropus erectus in the late 1880s?
What modern features did Nariokotome Boy (Homo ergaster) have?
Tall for a 12 year old Turkana Boy
Homo habilis is similar to which fossil?
What are the dates f
Huge gaps between rich and poor
Have not been green in the past
Largely consumers of biomass produced by photosynthesi
ENVIRONMENT, TECHNOLOGY, AND CULTURE
In this course we will take the approach that humans are just
one organism we will consider with in an ecosystem as a
We will look at how humans exploit different niches and make
use of dif
Studies of Human Adaptability:
Where is the Arctic?
Whats in a name?
Eskimo will not be used in reference to the Arctic peoples.
Eskimo means eater of raw flesh which is considered a
Instead we will use the te
Human Adaptability to Grasslands
Grasslands occur both naturally and as a result of human
intervention, both intentional and unintentional.
Grasslands have inadequate supplies of precipitation for
agriculture but are not yet as arid
Securing and Managing Water
Exploitation of groundwater
Harnessing of surface runoff
Diversion of water to agricultural fields
Flexible Forms of Social Organization
Nomadic Lifestyle [gr
THEORIES OF HUMAN-HABITAT INTERACTION
Main themes concerning people and their interaction with
The problem with these themes is that they see the
relationship between humans and their
Locations of the Humid Tropics
Tropical Rain Forest Ecosystems
Most are located north of the equator
Three major tropical rain forests
South American Rainforest
FUNDAMENTAL CONCEPTS AND METHODS
THE CHALLENGE OF SCALE AND LEVELS OF
Global ecology is a HUGE system to try to understand.
ontemporary discussions about human impact on the global
environment must involve ecosystem mode
In what type of situation, captive, zoo, semi-free, or field studies, are most studies done today?
o Field study
What is the Paradox of sociality
o Why would any animal live in a group if the evolutionary bottom line is individual mating success