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Which of the following is not observation on which natural selection theory is based-
- a)resources are limited
- b)population is stable
- c)most of the variations are not inherited
- d)all
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is not observation on which natural selection t...
Observations on which natural selection theory is based:
1. Variation within a population:
- Individuals within a population vary in their characteristics, including physical traits and behaviors.
2. Inheritance of traits:
- Some of these variations are heritable and can be passed down from one generation to the next.
3. Overproduction of offspring:
- Populations tend to produce more offspring than can survive to maturity, resulting in competition for limited resources.
4. Limited resources:
- The environment has limited resources, such as food, water, and shelter, which organisms need to survive and reproduce.
5. Differential survival and reproduction:
- Individuals with advantageous traits that help them survive and reproduce in their environment are more likely to pass on those traits to future generations. This is known as natural selection.
Therefore, the correct answer is option 'D' - all of the above are observations on which natural selection theory is based.
1. Variation within a population:
- Individuals within a population vary in their characteristics, including physical traits and behaviors.
2. Inheritance of traits:
- Some of these variations are heritable and can be passed down from one generation to the next.
3. Overproduction of offspring:
- Populations tend to produce more offspring than can survive to maturity, resulting in competition for limited resources.
4. Limited resources:
- The environment has limited resources, such as food, water, and shelter, which organisms need to survive and reproduce.
5. Differential survival and reproduction:
- Individuals with advantageous traits that help them survive and reproduce in their environment are more likely to pass on those traits to future generations. This is known as natural selection.
Therefore, the correct answer is option 'D' - all of the above are observations on which natural selection theory is based.
Community Answer
Which of the following is not observation on which natural selection t...
According to Darwin’s theory of natural selection, all organisms have the potential to reproduce limitlessly irrespective of the fact that each species maintain a constant density over time. However, the struggle for existence, i.e. the competition among individuals for available resources to survive and reproduce, put a check on species density and maintains it at a constant level. Survival of fittest is unequal ability of individuals to survive and reproduce based on suitability of their inherited characters to prevailing environmental conditions. It imparts a reproductive advantage to certain organisms which account for major part of the gene pool of the species. Thus, natural selection favors the individual with survival and/or reproductive advantage over others under existing environmental condition.
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Which of the following is not observation on which natural selection theory is based-a)resources are limitedb)population is stablec)most of the variations are not inheritedd)allCorrect answer is option 'D'. Can you explain this answer?
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