BEHL 2012 Lecture Notes - Lecture 9: Behavioral Ecology

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19 Jun 2018

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BEHL 2012 Week 6a Workshop

Evolution

Evidence

Fossils

oBones

oSkulls

oTeeth

oStone tools

oFootprints

Behavioural ecology

oClosest living relatives

DNA

oClosest apes

Fossil evidence : teeth

looking at fossil teeth under a microscope

Tools found with some fossils

Earliest hominid tools associated with scavenging and eating meat

oAllowed them to cut up food and eat a wider range of nutritional resources giving a

survival advantage

Stone tools are extensions of forelimb and hand

Early tools dated from 2.5 million years ago in East Africa

Dispersal of hominids from Africa to Asia

Asian hominid fossils and stone tools have been found that are almost 2 million years old

Other mammals were also affected by changing ecology in Africa.

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