Introduction to Humans Flashcards

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1
Q

What order do humans belong in?

A

Order: Primates

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2
Q

List key characteristics of primates

A
  • Have 5 digits on each hand and foot, including innermost opposable digit
  • Hands and feet are prehensile
  • Digits have flattened nails
  • Forward facing eyes
  • Reduced snouts
  • Large craniums relative to body weight
  • Flexible spines, rotation in hips and shoulders
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3
Q

What is purpose of prehensile hands and feet

A

Can curl to grip

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4
Q

What is purpose and benefit of forward facing eyes

A

Stereoscopic vision - allows depth perception

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5
Q

What is benefit of having large cranium size relative to body weight?

A

Higher intelligence

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6
Q

What superfamily do Humans belong to?

A

Hominoids

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7
Q

What are a group of animals found in hominoids superfamily?

A

Apes - including Gibbons, orangutans, gorillas and chimpanzees

Different to monkeys - don’t have tail

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8
Q

List some key characteristics of Hominoids

A
  • Molars have 5 cusps
  • 8 premolar teeth
  • Flattened ribcage - broader chest
  • Longer arms than legs (excpet humans)
  • Shoulder blades sit further back
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9
Q

What tribe (between family and genus) do Humans belong to?

A

Hominins

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10
Q

What does the tribe Hominins consist of?

A

Modern humans, extinct human species and all immediate ancestors which were bipedal

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