English, 25.02.2021 01:00, Bryson2148

1)What is the main finding of the study that supports Dr. Eisenberg’s hypothesis? a) Nomadic Ariaal with 7 R were better nourished than the Ariaal with 7R who had recently settled down.

b) Nomadic Ariaal with 7 R were better nourished as they constantly moved trough unfamiliar surroundings to find resources.

c) Nomadic Ariaal were better nourished because they knew how to hunt down resources.

d) One fifth of the population of both Ariaal groups had the 7 R version of DRD4.

E) The genetic legacy of nomadism may be an inability to settle.

2)The 6th paragraph of the text begins with the sentence “ How the 7R causes this is not yet know. In this sentence, “this” refers to

A) Behavioral differences betweens nomads and settled

B) Nourishment differences between nomads with 7R and settled with 7R.

C) The different versions of DRD4.

D) Higher concentration of 7R in nomads.

E) Different effects on the way the body processes food.

3)The main limitation of Dr. Eisenberg's study is that

A) It cannot explain the reason why only a minority of the Ariaal population has the 7R.

B) data collection was poor.

C) it only looks at minority groups that are not representative of the world's population.

D) it cannot explain why nomads with 7R have better life conditions than the settled groups.

E) It cannot explain why nomads with 7R are better nourished.

4)A surprising finding about ADHD is that:

A) studies have shown that it is not the result of poor parenting.

B) studies have shown that it is, at root, a genetic phenomenon.

C) Dopamine is the neurotransmitter that causes ADHD.

D) the behaviors associated to ADHD lead adults to perform poorly in modern society, which characterizes ADHD behaviors as inappropriate.

E) some brain receptors associated to ADHD, despite being inappropriate, have not been extinct by means of natural selection.

5) Dr. Eisenberg's hypothesis is that

A) ADHD causes different types of addictive and compulsive behaviors.

B) behaviors associated to ADHD may be beneficial to people with peripatetic lives.

C) adults with ADHD are prone to addictive and compulsive behaviors.

D) two different groups of pastoral nomads migh respond differently to presence of a 7R variant.

E) Nomads have a higher concentration of long DRD4 alleles.

6)How have Dr. Eisenberg and his group tested their hypothesis?

A) They investigated the eating habits of two groups of Ariaal and the effects in body nourishment.

B) They measured the level of body nourishment in 7R variants of pastoral nomads in Kenya.

C) They compared the level of body nourishment in individuals with 7 R who belong to two African groups varying in terms of life conditions.

D) They investigated the peripatetic habits of the Ariaal.

E) They examined which Ariaal had 7R variant in their genes and then compared their level of body nourishment.

7)The main contribution of Dr. Eisenberg's study is:

A) To unravel the genetic characteristics of the Ariaal.

B) To question why nomadic Ariaal with 7 R live better than settled Ariaals with 7R.

C) To question why long-distance migration selects for variants of DRD4.

D) To question whether ADHD may be explained in terms of an evolutionary link to nomadism.

E) To show the benefits of ADHD to support survival behaviors for nomads.

Answers: 3

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1)What is the main finding of the study that supports Dr. Eisenberg’s hypothesis? a) Nomadic Ariaal...