Exam 2 Flashcards
What is morphology
Shape and size of a body part
Primitive traits
Traits or a combination of traits present in an ancestral form
Dervived traits
- evolved for a particular function
- not present in ancestors
Why are primates unique
specialized morphology traits
Arboreal adaptation
Primates live in trees and are good at it
4 traits of Arboreal adaptation
- Versatile skeletal structure
- Enchanced touch
- Enhanced vision
- reduced reliance on smell/hearing
what do you need to be considered a primate
solid unbroken ring around the eye
versatile skeletal structure
flexible, helps prehensility (grasping), erect posture, opposable thumbs,
what is dietary plasticity
primates eat a highly varied diet and there teeth reflect this adaptive versatility
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ALL the P’s
all the monkeys from central and south America
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Anything that doesnt start with P
-humans, cattarhines, apes same amount of teeth
parental investment
primate parents provide prolonged care for fewer but smarter, more socially complex and long lives offsprings
what does parental investment provide
offsprings with food, teaching them about social rules and social behaviors, primates increase chance of surviving
what are Paleocene
65-55 MYA
Proto primates