Chapter 4 Flashcards
1
Q
Taxonomy
A
Primates are an ORDER
2
Q
Traditional
A
Prosimians- lemur, loris, tarsier
Anthropoids- humans, lesser/great apes
3
Q
Modern Cladistic
A
SEE NOTES
4
Q
Strepsirhines
A
Rhinarium attached to nose
5
Q
Haplorhines
A
Rhinarium not attached to nose
6
Q
Platyrrhines
A
Flat nose, arboreal, prehensile tails, new world.
7
Q
Catarrhines
A
Sharp nose, non-prehensile tails, old-world. Both arboreal and terrestrial.
8
Q
Colobines
A
Arboreal catarrhines
9
Q
Cercopithecines
A
Arboreal and territorial catarrhines
10
Q
Hominoids
A
Lesser apes, orangutans, chimps, humans
11
Q
Brachiation
A
swinging through trees
12
Q
Homologous approach
A
similarity due to common ancestry
13
Q
Analogous
A
convergent or parallel evolution (ex: wings on birds and bats, body shapes of fish and whales)
14
Q
Primate evolutionary trends
A
- plus brain size/complexity
- minus facial projection
- minus smell
- plus sight
- minus teeth
- plus infant dependence
- plus learned behavior
15
Q
Prehensile morphology
A
- opposable thumbs
- nails instead of claws
- pads at tips of fingers/toes
- dermal ridges on toes, fingers, soles, palms, tails
