Class Notes (808,554)
Canada (493,288)
Biology (2,348)
BIOLOGY 1M03 (663)
Ben Evans (167)

Chapter 12- Oldowan Toolmakers and the Origin of Human Life History.docx

5 Pages
Unlock Document

McMaster University
Ben Evans

Chapter 12 Oldowan Toolmakers and the Origin of Human Life History The Oldowan Toolmakersthe earliest identifiable stone tools are from about 25 myaat sites about 23 mya researchers found an extensive array of stone artifacts including flakes small sharp chips cores hammer stones and debris from manufacturingthese artifacts collectively are called Oldowan tool industry are very simple o round stones that have been chipped o artifacts are quite variable in shape and size o made from different raw materials o tool industries are collections of tools that are found in a particular region and timewe do not know which hominin species were responsible for making toolsit is also possible that earliest stone tools were made by species that do not appear until later in the fossil recordstone tools are more durable than bones so the archaeological record is usually more complete than the fossil recordComplex Foraging Shapes Human Life Storyanthropologists divide foods acquired by forages into three types according to the amount of knowledge and skill required to obtain them o these are in order of increasing difficulty of acquisition collected food extracted foods and hunted foods 1 collected foods can be simply collected from the environment and eaten 2 extracted foods come from things that dont move but are protected in some waythese things must be processed before food can be eaten 3 hunted foods come from things that run away and thus must be caught or trappedmay also need to be extracted or processed before consumption Chimp Humans Collected 96 10 Extracted 4 30 Hunted 2 60 humans depend on hardtolearn skills to acquire foodcontemporary foraging peoples depend on extracted and hunted foods to a much greater extent than chimpanzees dounlike other predators humans must learn a very diverse set of hunting skillsmost large mammalian predators use one of two methods wait in ambush or combine a stealthy approach with fast pursuit 1
More Less

Related notes for BIOLOGY 1M03

Log In


Don't have an account?

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.