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Updated on: 09 Oct 2019, 03:01
Originally posted by Sajjad1994 on 02 Dec 2018, 23:20.
Last edited by Sajjad1994 on 09 Oct 2019, 03:01, edited 1 time in total.
Last edited by Sajjad1994 on 09 Oct 2019, 03:01, edited 1 time in total.
Updated - Complete topic (870).
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Question 1
A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
67% (03:06) correct
33%
(03:05) wrong
based on 175
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
79% (00:54) correct 21%
(01:42) wrong
based on 177
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
33% (01:26) correct 67%
(01:25) wrong
based on 176
sessions
History
Date
Time
Result
Not Attempted Yet
Within most animal species, the males must do their best to attract females by showing off-by attempting either to demonstrate sexual prowess or to intimidate rivals. A new study, however, suggests that males are actually submitting to a more genetic imperative. By displaying their most prized attributes or talents, hopeful males do the best they can to show off superior genetic qualities that lesser males cannot mimic.
Biologists at the University of Missouri conducted this new study by analyzing the mating calls of the gray tree frog Females have been shown to gravitate toward males whose calls last longest, and it has long been theorized that a male's lengthy mating call is linked to superior fitness and energy. Tree frogs were chosen for the experiment for two very important reasons. Since frogs fertilize their eggs externally, It is easy to trace the genealogy of each tadpole. Secondly, male frogs are utterly un-involved with raising their offspring. This allows the scientists to m address the “nature vs- nurture" conundrum directly by removing any chance that the tadpoles are “learning“ anything from their fathers Whatever strength or weakness the offspring displays, that characteristic must have been passed down through the father's genes.
To start the experiment, eggs were harvested from several females and then split into two groups. The first cluster was fertilized with the sperm of a tong-calling male, the second with that of a male whose call was demonstrably shorter. The scientists compared the progress of all tadpoles with different fathers but the same mother. Mating calls are strictly a male trait, so the biologists later planned to compare the mating calls of certain males with those of their male offspring. The results were astounding, The physical characteristics of all the male tadpoles were virtually identical at first. but within weeks the children of long-calling males grew into faster and stronger tadpoles who eventually would metamorphose into frogs much sooner than the offspring of short-calling males. Such a finding lends credence to the theory that calling is an honest and reliable indicator of genetic quality.
Biologists at the University of Missouri conducted this new study by analyzing the mating calls of the gray tree frog Females have been shown to gravitate toward males whose calls last longest, and it has long been theorized that a male's lengthy mating call is linked to superior fitness and energy. Tree frogs were chosen for the experiment for two very important reasons. Since frogs fertilize their eggs externally, It is easy to trace the genealogy of each tadpole. Secondly, male frogs are utterly un-involved with raising their offspring. This allows the scientists to m address the “nature vs- nurture" conundrum directly by removing any chance that the tadpoles are “learning“ anything from their fathers Whatever strength or weakness the offspring displays, that characteristic must have been passed down through the father's genes.
To start the experiment, eggs were harvested from several females and then split into two groups. The first cluster was fertilized with the sperm of a tong-calling male, the second with that of a male whose call was demonstrably shorter. The scientists compared the progress of all tadpoles with different fathers but the same mother. Mating calls are strictly a male trait, so the biologists later planned to compare the mating calls of certain males with those of their male offspring. The results were astounding, The physical characteristics of all the male tadpoles were virtually identical at first. but within weeks the children of long-calling males grew into faster and stronger tadpoles who eventually would metamorphose into frogs much sooner than the offspring of short-calling males. Such a finding lends credence to the theory that calling is an honest and reliable indicator of genetic quality.
1. The primary focus of the passage is on which of the following?
A. supporting a new theory by providing a new explanation for an accepted mode of behavior
B. evaluating the results of two separate experiments and contrasting the relative merits of each one
C. pursuing evidence in the ‘nature vs. nurture“ debate
D. dismissing a current phenomenon as inconsistent with
common trends
E. embracing a new system of analysis that is likely to overturn much of today‘s accepted knowledge
A. supporting a new theory by providing a new explanation for an accepted mode of behavior
B. evaluating the results of two separate experiments and contrasting the relative merits of each one
C. pursuing evidence in the ‘nature vs. nurture“ debate
D. dismissing a current phenomenon as inconsistent with
common trends
E. embracing a new system of analysis that is likely to overturn much of today‘s accepted knowledge
2. According to the passage. which of the following is an accurate statement about the gray tree frog?
A. Females teach their offspring to fend for themselves In the wild.
B. Males are more energetic and physically fit than are females.
C. Mating calls are restricted to the males of the species.
D. Offspring acquire more of their genetic information from their mothers than from their fathers.
E. The mating call of the female is hardly distinguishable from that of the male.
A. Females teach their offspring to fend for themselves In the wild.
B. Males are more energetic and physically fit than are females.
C. Mating calls are restricted to the males of the species.
D. Offspring acquire more of their genetic information from their mothers than from their fathers.
E. The mating call of the female is hardly distinguishable from that of the male.
3. The passage suggests which of the following about the male tree frog?
A. It is now no longer prudent to assume that the length of a frog's mating call is linked to its sexual prowess.
B. Some females are attracted to long-calling males because of the quality of “parenting“ that these males can provide.
C. A male that exhibits a demonstrably shorter mating call is probably also betraying its physical inadequacy.
D. A study comparing tadpoles with the same father but different mothers would yield similar results.
E. A frog that is unable to sound a mating call will never reproduce.
A. It is now no longer prudent to assume that the length of a frog's mating call is linked to its sexual prowess.
B. Some females are attracted to long-calling males because of the quality of “parenting“ that these males can provide.
C. A male that exhibits a demonstrably shorter mating call is probably also betraying its physical inadequacy.
D. A study comparing tadpoles with the same father but different mothers would yield similar results.
E. A frog that is unable to sound a mating call will never reproduce.
Difficulty Level: 650 (111)
03 Dec 2018, 06:49
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5.5 mins, all true. Sometimes, reading the passage thoroughly works fine however for some passages I get lost if I insist on reading it thoroughly. This was one of the former. I don't know how to approach in general.
03 Dec 2018, 07:18
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faltan
Used to suffer with the same issue for months, somehow the eGMAT 7 key reading strategies for RC works perfectly, try it once, it may help you a bit...
