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Flashcards in chapter 6 Deck (9)
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1

3 main primate tendencies

- arboreal adaptation
- eat a wide variety of foods (dietary plasticity)
- invest a lot of time in kids (parental investment)

2

physical adaptation all primates share?

forward facing eyes

3

hwo do skeletons of monkeys, apes and humans differ?

monkeys have tails, apes and humans dont.

4

charachterise the variation in primate teeth

- reduced number in teeth (new worlds have extra premolar)
- multiple teeth TYPES

5

why is parental investment and brain size related?

there needs to be a longer period with parents in order for brain to grow

6

what is a grade?

group of organisms that share same level of complexity and lvl of evolution

7

what is a clade?

group of organisms that evolved from common ancestor

8

what are the differences between old and new world monkeys?

new world monkeys have flat noses

9

what is the difference between stepsirhines and halorhines

strepsirhines:
- good sense of smell
- grooming claw, tooth comb
- large eyes (for night time)
Halorhines:
- bigger brains
-dimorphism
- fewer teeth