What makes a Primate? Flashcards
What kind of body plan do primates have compared to other vertebrates?
A generalized, non-specialized body plan
What advantages do generalized body plans give for primates? (2 “many” things)
Many ways to travel around and live in many times of habitats
What advantage do large thumbs do primates have compared to other animals?
To hold objects with greater strength and precision
What kind of finger end do primates have and not have compared to other animals?
Flattened nails, no claws
Where do the eyes in most primates located compared to other animals?
Front-facing eyes
What advantage do front facing eyes give primates?
Depth 3D perception
What disadvantage do front facing eyes give primates?
Reduced peripheral vision
What kind of dental formula do most primates have?
2 incisor, 1 canine, 2-3 premolar, 3 molar
What bone do all primates have that no other mammal has?
petrosal bulla
What is special about the petrosal bulla for primates?
All primates have it, no other mammal has it
What does an enclosed eye orbit do for primates?
Protects the eye
Are primates single births or litters?
Single birth
Do primates have small or large brains?
Large brains
What are the 3 life history traits primates share?
Single birth, large brains, extended ontogeny
For primates, what does “extended ontogeny” mean?
Development (physical + social) for young primates takes a long time
