human evolution

Question 1

what is a homonid

Answer 1

all extinct bipedal ancestors of humans as well as modern humans

Question 2

closest living relative to humans

Answer 2

chimpanzees

Question 3

similarities between humans and african apes brain

Answer 3

both african apes and humans use the cerebral cortex for cognitive functions

Question 4

similarities between humans and african apes eyes

Answer 4

both have colour vision

Question 5

similarities between humans and african apes nose

Answer 5

both dont strongly rely on smell

Question 6

similarities between humans and african apes teeth

Answer 6

variety for omnivorous diet

Question 7

similarities between humans and african apes shoulders

Answer 7

clavicle allows for free rotation of arms

Question 8

similarities between humans and african apes hands

Answer 8

fingertips for grip, opposable thumbs to grip

Question 9

difference between humans and african apes brain

Answer 9

humans have large cranium compared to body and apes have small cranium compared to body

Question 10

difference between humans and african apes brow ridge

Answer 10

H not well developed A are developed

Question 11

difference between humans and african apes spine

Answer 11

H S-shaped
A C-shaped

Question 12

pelvic gridle

Answer 12

H short wide pelvis
A long narrow pelvis

Question 13

palate shape

Answer 13

H curved
A rectangular

Question 14

Jaw

Answer 14

H sm

Question 15

difference between humans and african apes cranial ridge

Answer 15

H none
A present

Question 16

difference between humans and african apes foramen magnum

Answer 16

H forward position
A back end of skull

Question 17

2 genetic evidence of human evolution

Answer 17

mitochondrial dna and y-chromosome dna

Question 18

explain mitochondrial evolution

Answer 18

all humans have a mutation present in the dna of mitochondria, this mutation originates from a common ancestor termed as “African Eve” or “mitochondrial eve” because its present in all humans we can say we evulotionised from that ancestor

Question 19

Y-chromose dna

Answer 19

all modern dna share a common gene marker in the y chromoseo idicating they must have had a common african ancestor.