hominid studies

Question 1

primate order

Answer 1

• 3rd most diverse of mammals

Question 2

evidence of primates having a common ancestor

Answer 2

• biogeographical evidence (southern continent)
• arboreal (tree living)
• new world monkeys (south america)
• clavicle (stabilise shoulder)
• long, slender limbs (movement)
• opposable thumbs (grip)

Question 3

shared characteristics

Answer 3

• enlarged and complex brain
• flattened face (reduced snout)
• eyes face forward
• flat nails
• molar and premolar (low cusps and rounded)
• complex social behaviour

Question 4

genetic evidence

Answer 4

• share large % of their DNA
• larger number of olfactory-receptor pseudo-genes (deterioration of smell)
• full trichromatic colour vision

Question 5

sequence of human evolution

Answer 5

• prosimians (bush baby)
• hominoidea (large brains to body size, humans)
• homininae (gorillini , hominini)

Question 6

genetic analysis with fossil evidence

Answer 6

• hominidae family split (homininae , ponginea)
• homininea subfamily split (hominini , gorillini)
• hominini tribe split (homo , pan)