evolutionary eating

Question 1

what is the sweet preference

Answer 1

associated with high energy and non poisnounous food

Question 2

what is fructose

Answer 2

a type of sugar, natural selection and a universal preference

Question 3

what is the salt preference

Answer 3

essential for cell functions and maintains water balance

Question 4

research for salt preference

Answer 4

Harris et al- babies preffered salted cereal to unsalted cereal

Question 5

what is the fat preference

Answer 5

is about calories , survival food and an efficient source of food

Question 6

what is the bitter and sour

Answer 6

taste receptors to avoid dangerous or bitter foods eg sour is poisonous

Question 7

how many bitter taste receptors are their

Answer 7

27 bitter and 2 sweet, bitter foods more dangerous need more protection

Question 8

what is neophobia

Answer 8

tendancy to avoid new foods that are considered toxic, protective function, keep to safe foods

Question 9

what is taste aversion

Answer 9

when individuals eat a food and become ill, future avoidance as its associated with illness

Question 10

what is biological preparedness

Answer 10

associate certain foods with illness , only requires one experience, helps us live

Question 11

A03: satisfactory preference

Answer 11

deer in Scottish Highlands lick salt from gritted salt
climbs damns to get salt

Question 12

A03: evolutionary ability to be safe

Answer 12

• many medicine is bitter and sour , children reject this as they deem it unsafe
  -childrens medidine is sweetened to avoid rejection , 27 bitter taste receptors

Question 13

A03: Garcia and Koelling

Answer 13

• biological preparedness in non human ainimals
  -sweet liquid with injection made them ill and stopped drinking
• but pared with electrical shock kept drinking
  -not biologivslly engineered to avoid shocks