Intro to Primates

Question 1

ORDER

Answer 1

Primates

Question 2

SUBORDER

Answer 2

Strepsirhini, Haplorhini

Question 3

INFRAORDER

Answer 3

Platyrrhini, Catarrhini

Question 4

Strepsirhini

Answer 4

• wet nose (street throat - wet throat, melman is always sick)
• least related to humans
• lemurs + lorises
• very diverse -> 107 species (like 107 million of em’ in movie)

Question 5

Analogous Traits

Answer 5

similar in function but not due to common ancestors (we look the same but we aren’t related “ann-all”), can evolve based on environment

Question 6

Haplorihini

Answer 6

dry nose [baboons, gorillas, chimps], (long juvenile development, learned behaviours, long gestation -> time in womb)

Question 7

Hands of Primates

Answer 7

prehensile hands + feet, nails instead of claws

Question 8

Stereoscopic Vision

Answer 8

when the brain takes the picture from both eyes and puts it together like a puzzle

Question 9

Defining Characteristics of Primates

Answer 9

head, poor sense of smell, big brain, reduced dentition (fewer teeth than usual)

Question 10

Reduced Detention, what do primates have less of compared to ancestral mammals?

Answer 10

incisors + premolars

Question 11

Omnivore

Answer 11

plant + animal eating

Question 12

Frugiory

Answer 12

fruit eating

Question 13

Insectary

Answer 13

insect eating

Question 14

Carnivory

Answer 14

animal eating

Question 15

Folivory

Answer 15

leaf eating

Question 16

Haplorini

Answer 16

nocturnal carnivores

Question 17

Prehensile Tail

Answer 17

tail that can hold onto things (spider, howler, spider-howler monkey’s)

Question 18

Platyrrhini

Answer 18

New World Monkeys: flat nose, prehensile tail, no thumbs, live in trees

Question 19

Catarrhini

Answer 19

Old World Monkeys

Question 20

Lesser Apes

Answer 20

Gibbons, Siamangs

Question 21

Great Apes

Answer 21

Orangutan, gorillas, chimpanzees

Question 22

Bipedal

Answer 22

walks on two legs

Question 23

Hominin, hominini, hominoid

Answer 23

most advanced grade of primate evolution

Question 24

Sexual Dimorphism

Answer 24

observable phenotypic between males and females of the same species

Question 25

The three main dietary strategies of primates include

Answer 25

folivory, frugivory, insectivory

Question 26

Adaptive Radiation

Answer 26

quick expansion of a population that diversifies into multiple species

Question 27

The Eocene epoch

Answer 27

55 to 34 million years ago when plants and animals were just beginning to evolve

Question 28

Prehensibility

Answer 28

the ability to grab and hold things

Question 29

Brachiation

Answer 29

ability to swing from trees

Question 30

Diurnality

Answer 30

animals that are most active in the day time

Question 31

Why is it important to clarify how an author defines hominin?

Answer 31

Because multiple taxonomies exist.