Which of the following statements about evolution by natural selection is TRUE?
ID: 30979 • Letter: W
Question
Which of the following statements about evolution by natural selection is TRUE?
Question 1 options:
During a windy season, the length of individual wheat stalks get shorter.
The percentage of individuals in a population with an adaptation to a particular environmental condition increases after exposure to that environmental condition.
Upon exposure to extreme environmental conditions, individuals within a population acquire adaptations which increase their survival.
a)During a windy season, the length of individual wheat stalks get shorter.
b)The percentage of individuals in a population with an adaptation to a particular environmental condition increases after exposure to that environmental condition.
c)Upon exposure to extreme environmental conditions, individuals within a population acquire adaptations which increase their survival.
Explanation / Answer
1 b) The percentage of individuals in a population with an adaptation to a particular environmental condition increases after exposure to that environmental condition.
This is the correct option..Natural selection allows the survival of those who are better adapted to the changing environmental condition. Hence after an exposure to such a condition the percentage of individuals in a population with an adaptation to a particular environmental condition increases.
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