Richard Leakey Flashcards

1
Q

Four key stages

A
  1. Origin of the human family itself: 7 million years ago
  2. Proliferation of bipedal
    species: Adaptive radiation
  3. Expansion of the brain
  4. Origin of modern humans
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2
Q

The First humans: 1871 The Descent of man: 2 Pillars in the theoretical structure of anthropology

A
  1. Where humans evolved: Darwin Said it was Africa reasoning man closes relative lives in africa
  2. The manner or form of that evolution

Darwin wrote that bipedalism technology and an enlarged brain evolved in concert

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3
Q

The First humans: Pillbeam and simons

A

ramapithecus jaw→ Therefore concluded that humans emerged in Asia 15 mil years ago → This turned out to be wrong

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4
Q

The First humans: Allan Wilson And Vincent Sarich

A

compared blood proteins from living humans and African apes. Their aim was to determine the structural difference between human and ape proteins. According to them first humans evolved only 5 million years ago a finding that was dramatically at variance with the 15 to 30 mil of prevailing anthropological theory.

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5
Q

The First humans: Humans species when bipdal and tools

A

5 million years passed between the time the human species emerged and the time our ancestors became bipedal and the time they started making tools.

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6
Q

The First humans: Owen Lovejoy

A

He argued, that bipedalism is an inefficient mode of locomotion so it must have volved for carrying thing. Carrying more gave males reproductive value being able to carry more food to female and increase reproductive power.

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7
Q

The First humans: Peter Rodman And Henry McHenry

A

Bipedalism was advantageous in the changing environmental conditions because it offered a more efficient means of locomotion. As the forest dwindled, food resources in woodland habitats, such as fruit trees would have become to dispersed to be efficiently exploitable by conventional apes.

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8
Q

The origin of mind: 3 major revolutions mark the history of life on earth.

A
  1. The origin of life itself
  2. The origin of multicellular organisms
  3. The origin of human consciousness
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9
Q

The origin of mind: Behaviorism

A

the worldview held that nonhuman animals merely respond reflexively to event in their worlds and are incapable of analytical thought processes. There is no such thing as an animal mind said the behaviorists.

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10
Q

The origin of mind: Donald Griffin

A

waging a campaign for 2 decades to overthrow this negative view of the animal world

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11
Q

The origin of mind: Harry Jerison pattern

A

the origin of major new faunal groups is usually accompanied by encephalization.

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12
Q

Gordon Gallup

A

: Devised a test of the sense of self the mirror test. Reflection in mirror but dot on face

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13
Q

How self-aware ancestors 7 million years ago

A

Assume as self-aware as modern chimps but the question might be unanswerable

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14
Q

Ritual disposal of dead

A

speaks clearly of an awareness of death and thus an awareness of self. First evidence was the Neanderthals burial not much more than 100.000 years ago. No evidence of burial was found before this so there is no evidence of self-consciousness before this.

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