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Question

The most severe type of struggle existence is

A
Interspecific struggle
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B
Environmental struggle
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C
Intraspecific struggle
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D
None of the above
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Solution

The correct option is B Intraspecific struggle
A. Interspecific struggle- When the individuals of different species compete for the same resources such as food and space it is called interspecific struggle, the species with a lower growth rate and reproducing ability will not survive.
B. Environmental struggle- When the organisms of a population compete against one another in nature to maintain themselves in a given environment to survive and reproduce is called environmental struggle.
C. Intraspecific struggle- When the members of the same species compete against each other for limited resources it is called intraspecific struggle.
  • It reduces the fitness of both the individuals and therefore, it is considered to be the most severe type of struggle for existence.
  • So, the correct answer is 'Intraspecific struggle'.

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