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प्रश्न
How are variations useful for species if there is drastic alteration in the niches?
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उत्तर
If the niche were drastically altered, the population could be wiped out. However, if some variations were to be present in a few individuals in these populations, there would be some chance for them to survive. Variation is thus useful for the survival of species over time.
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संबंधित प्रश्न
List two reasons for the appearance of variations among the progeny formed by sexual reproduction
If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
Which of the processes, sexual reproduction or asexual reproduction, bring about maximum variations in the offsprings?
In the following Figure, parts A, B, and C are sequentially
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Variation is high in sexually reproducing organisms compared to asexually reproducing organisms.
Reason: Inaccuracies during DN A copying give rise to variation.
In the list of organisms given below, those that reproduce by the asexual method are
- banana
- yeast
- dog
- Amoeba
Reproduction is essential for living organisms in order to
Exchange of genetic material takes place in
The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.
- Assertion: The probability of survival of an organism produced through sexual reproduction is more than that of an organism produced through asexual mode.
- Reason: Variations provide advantages to individuals for survival.
