chapter 6

Question 1

3 main primate tendencies

Answer 1

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

Question 2

physical adaptation all primates share?

Answer 2

forward facing eyes

Question 3

hwo do skeletons of monkeys, apes and humans differ?

Answer 3

monkeys have tails, apes and humans dont.

Question 4

charachterise the variation in primate teeth

Answer 4

• reduced number in teeth (new worlds have extra premolar)

- multiple teeth TYPES

Question 5

why is parental investment and brain size related?

Answer 5

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

Question 6

what is a grade?

Answer 6

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

Question 7

what is a clade?

Answer 7

group of organisms that evolved from common ancestor

Question 8

what are the differences between old and new world monkeys?

Answer 8

new world monkeys have flat noses

Question 9

what is the difference between stepsirhines and halorhines

Answer 9

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