Question

The most severe type of struggle existence is

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

Answer 1

Answer: (C)

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'.