Lab 9

Question 1

5 Features of Primates

Answer 1

Opposable Thumbs Tactile pads Finger nails 5 digits Greater reliance on sight rather than smell

Question 2

Stasis

Answer 2

long period of time with no evolutionary change

Question 3

Arboreal Theory

Answer 3

theory that animals came from the ground and adapted to live in trees

Question 4

Punctuated Equilibrium

Answer 4

slow evolutionary rates of change punctuated by dramatic spurts of sudden significant change

Question 5

Adaptive Radiation

Answer 5

rapid increase and spread of an evolving group of organisms that spread into and adapt to new ecological niches

Question 6

Niche

Answer 6

the environment to which a species is adapted, including diet, habitat preference, activity pattern, and other features

Question 7

Visual Predation Theory

Answer 7

Theory that animals had already lived in trees, and changed environmental location to the terminal (ends of) branches

Question 8

Paleocene Epoch

Answer 8

65-55.8 M.Y.A 1st primates appear, Primitive ‘prosimians’ Ex: Purgatorius

Question 9

Eocene Epoch

Answer 9

55-34 M.Y.A Euprimates (modern-like) appear Prosimians only Ex: Omomyidae - insect eating, smaller Ex: Adapidae - fruit eating, lemur-like

Question 10

Oligocene Epoch

Answer 10

34-23 M.Y.A Marks the time when Prosimians and Anthropoids branch off Anthropoidia family breaks into Parapathecidae (ancestors of modern Platyrrhines) and Propliopithecidae (ancestors of modern Catarrhines)

Question 11

Miocene Epoch

Answer 11

23-5.3 M.Y.A Era of Apes (Proconsul Major & Africanus appear) Separates Old world vs. New world Cercopithecoidea and Hominoidea

Question 12

Apidium

Answer 12

Anthropoidea Member of the Parapithecidae family part of the Oligocene epoch Ancestor of the ‘ancient family’

Question 13

Catopithecus Browni

Answer 13

Anthropoidea Member of Propliopithecidae family part of the Oligocene epoch

Question 14

Aegyptopithecus

Answer 14

Robust Quadraped Arboreal Frugavore with low rounded cusps Divergent dental arcade Procumbent incisors Teeth x-4 2:1:2:3 Dental structure Oligocene era

Question 15

Proconsul Africanus

Answer 15

Robust Quadraped
First Ape
Miocene Epoch
Divergent teeth row
Diastama present
Slight procumbence
Y-5

Question 16

Proconsul Major

Answer 16

The larger of Proconsuls
Robust Quadraped
First Ape
Divergent teeth row
Diastama present
Slight Procumbence
Y-5

Question 17

Dyropithecus

Answer 17

Hominoidea
Miocene Epoch
First ape found in Europe

Question 18

Sivapithecus

Answer 18

Ramamorph
Miocene Epoch
Large mandible
Large molars
Low cusps
Apendiges Exagerated

(Orange)

Question 19

Gigantopithecus

Answer 19

Hominoidea
Ramamorph
Did not exist long
Heavy enamel
Large molars
Large mandible
Low cusps
Apendiges exaggerated

Question 20

Ouranopithecus

Answer 20

Miocene Epoch
Hominoidea
Ramamorph
Large mandible
Large molars
Low cusps
Lot of enamel
Apendiges exaggerated

Question 21

Orrorin tugenensis

Answer 21

Biped
Miocene Epoch

Question 22

Ardipithecus ramidus

Answer 22

Bipedal walker
Partial arboreal living
Foramen magnum
Miocene Epoch