human change over time Flashcards

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1
Q

hominoid

A

primates and modern humans

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2
Q

hominin

A

hominoids that are bipedal (can walk upright)

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3
Q

what are three structural changes of human evolution

A

skull shape
faramen mognem
pelvic structure

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4
Q

pelvic structure

A

the pelvis became wider to compensate for giving birth to children with larger hears. The wider pelvis also helped us become bipedal

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5
Q

foramen mognem

A

the angle that the foramen has moved overtime. our foramen has moved back and more to the centre of our skull rather than the front
- this indicates that our human ancestors have become more upright over time

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6
Q

skull shape

A
  • our skulls have become flatter
  • bigger cranial size
  • teeth changed to produce smaller jaws
  • our foramen tucked creating a more dome shaped skull
  • frontal lobe increased (problem solving, personality, language interpretation)

diet: we increased the amount of protein we were consuming
brain capacity and frontal lobe increased use of tools

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7
Q

technological evolution

A
  • the use of fire as a tool (cooking food, smaller jaws)
  • rocks as tools
  • changed natural environmental to use tools
  • clothing
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8
Q

cultural evolution

A
refers to the transmission of information from generation to generation that does not involve genetic transmission 
for example 
language 
rituals 
dancing 
folklaw
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9
Q

primates

A

animals that have opposable thumbs

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