Skull

Question 1

Encephalization, including concentration of sense organs at the anterior end of the body

Answer 1

Vertebrate

Question 2

Skeletal protection of the brain, usually involving bone

Answer 2

Vertebrate

Question 3

Formation of the skill from dermal, cartilaginous, and branchial elements

Answer 3

Vertebrate

Question 4

Expansion of a lateral fenestra

Answer 4

Mammalian

Question 5

Expansion of the braincase

Answer 5

Mammalian

Question 6

Transfer of muscle origins to side of braincase

Answer 6

Mammalian

Question 7

Secondary palate

Answer 7

Mammalian

Question 8

Mandible reduced to a single paired bone, the dentary

Answer 8

Mammalian

Question 9

Three ossicles in the middle ear

Answer 9

Mammalian

Question 10

Orbital convergence

Answer 10

Primate

Question 11

Postorbital bar

Answer 11

Primate

Question 12

Shortening of the face

Answer 12

Primate

Question 13

Flexion of the face relative to the basicranium

Answer 13

Primate

Question 14

Postorbital closure

Answer 14

Anthropoid

Question 15

Fusion of the mandibular symphysis

Answer 15

Anthropoid

Question 16

Chewing involving significant lateral motions of the mandible

Answer 16

Hominid

Question 17

Expansion of the brain and braincase

Answer 17

Hominin

Question 18

Anterior protrusion of the chin

Answer 18

Modern Human

Question 19

Dvpmt of the mastoid process

Answer 19

Modern human

Question 20

Flexion of the basicranuim and retraction of the face

Answer 20

Modern human

Question 21

Forehead replacing supraorbital tori

Answer 21

Modern human